Biology High School

Three organelles (cell parts) found in plant cells, but not animal cells?

Answers

Answer 1
1. The Cell Wall.

Plants have a cell wall in order to maintain rigidity and stability. Animal cells do not have a cell wall because they have a different structure, which makes them more flexible and able to move around easier.

2. Chloroplasts

Since plants cannot move, they get their energy from the sun. This energy is made inside of the chloroplasts. Animal cells don't have chloroplasts because their energy comes from other organisms.

3. Central Vacuole

The central vacuole provides structure and holds materials and wastes, and also decomposes those wastes. Animal cells don't have a central vacuole because they have lysosomes and normal vacuoles that do the same function.


Related Questions

In which marine environment would you find the greatest diversity of species?

Answers

You would the find the greatest diversity of species in a temperate kelp forest.
I hope this helps.

where do you think trees get there nutrients they need to grow

Answers

From the soil, the Earth, the Sun, the rain.

Plants absorb nutrients and water through their roots,also photosynthesis — the process by which plants create theirfuel — occurs in the leaves.
Trees need a couple things in order to grow! 
Sunlight
Fresh air
Soil
Water/rain 

The part of the brain where planning, language and advanced thought occur is:the hippocampus.the amygdala.the cortex.the hypothalamus.

Answers

The part of the brain where planning, language and advanced thought occur is the cortex.
It is the largest part of a human brain, the cerebrum or the cortex. Connected with higher brain function such as thought and action. The cortex also protects the cerebellum.

The cortex, particularly the frontal lobe, is responsible for planning, language, and advanced thought processes. Higher cognition, impulse control, and language production are key functions of the frontal lobe, including areas like the prefrontal cortex and Broca's area.

The part of the brain where planning, language, and advanced thought occur is the cortex, specifically within the frontal lobe of the cerebral cortex. The frontal lobe is critical for cognitive functions and control of voluntary movement or activity. It is the part of the brain that is responsible for higher mental functions, such as thinking, planning, and memory, as well as judgment and impulse control.

The other options provided, such as the hippocampus, amygdala, and hypothalamus, play roles in emotion, learning, and hormone regulation, but not primarily in the higher-level cognitive processes associated with planning and language production. The prefrontal cortex, a part of the frontal lobe, is specifically associated with advanced thought processes, including problem-solving, decision-making, and social behavior. Furthermore, Broca's area, located in the frontal lobe, is essential for language production.

describe one cellular activity that uses the energy released by ATP

Answers

A cellular activity that uses energy that is released by ATP would be any kind of movement

One of the basic examples of cellular activity, which uses energy released by ATP is the movement of muscles.  

• The muscle cells utilize both fatty acids and glucose for their aerobic respiration, and these cells are the prime users of ATP generated by aerobic respiration.  

• The muscle cells use ATP mainly for two things, that is, for active transport of calcium ions and the movement of motor proteins.  

• The muscle cells use ATP for the active transport of calcium ions into the sarcoplasmic reticulum at the time of muscle contractions.  

• For the second time, ATP is used by muscle cells to detach the head of the myosin from the actin filaments at the time of the relaxation of muscles.  

Thus, muscular movement is one of the cellular activity, which use the energy of ATP.

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What is more stable a food chain or food web?

Answers

i believe that the food web is more stable

To synthesize one glucose molecule, the calvin cycle uses __________ molecules of co2, __________ molecules of atp, and __________ molecules of nadph.

Answers

What are the words that can go in the blanks?

Answer:

Explanation:

6,18,12

Can someone help we with unscrambling these words on cells? One modern technique of examining cell contents is by using cell (tiontioncaraf) The cell's nucleus controls the cell's activities, many of which takes place in the (legselonar)

Answers

One modern technique of examining cell contents is by using cell (fractionation) The cell's nucleus controls the cell's activities, many of which takes place in the (organelles)
For the first one its one of these: FORNICATION, CONTRITION       INFARCTION, INFRACTION   

For the second its one of these:
ORGANELLES, ALLERGENS, ORGANELLE, SLOGANEER        

What substrate is digested by the enzyme protease?

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protein
:333333333333

Which of these best defines the rate of photosynthesis?

A- where photosynthesis happens.
B- the speed of photosynthesis.
C- when photosynthesis happens.
D- endothermic

Answers

B) because speed talks about the rate at wich it happens

Why is it important for each cell to be surrounded by a cell membrane that prevents large molecules from leaving the cell?

Answers

Hi there.

The cell membrane keeps organelles and ribosomes from exiting the cell. When molecules enter the cell, the membrane also prevents it from leaving as the molecule is needed to carry out processes.

~

props to the flashcard on Quizlet,

9. The _______ is the temperature to which air must be cooled at constant pressure to reach saturation.

Answers

Is the temperature to which air must be cooled at constant pressure to reach saturation?Saturation is the point at which the air holds as much water vapor as it possibly can.) The ______is the temperature to which air must be cooled at constant pressure to reach saturation. Until this temperature is reached, condensation cannot occur and rain cannot fall.

I think its dew point

Do jellyfish have jointed appendages?

Answers

Invertebrates are animals that do not have a bony internal skeleton, although many do have hard outer coverings that provide structure and protection. More than 90% of all animals are invertebrates and they are classified into at least 33 major groups, or phyla. Nearly every phylum of invertebrates has members that live in the oceans. Six phyla of invertebrates that are commonly found in the oceans are: Porifera (sponges); Cnidaria (corals, jellyfish, and sea anemones); Annelida (segmented worms); Molluska (snails, clams, mussels, scallops, squid, and octopuses); Arthropoda (crabs, shrimp, barnacles, copepods, and euphausids); and Echinodermata (sea stars, sea urchins, and sea cucumbers). Each phyla is divided into smaller groups called classes, which is then split into families and then species. Hope it helped!
Jellyfish do not have joined appendages. An example of an animal with joined appendages would be a spider.

Hope this helped!

Amino acids with hydrophobic side chains are often found in the region of an integral membrane protein that spans the membrane. select one:
a. True
b. False

Answers

a. True.        They travel via Signal Sequences, which are a particular amino acid sequence that directs proteins to their proper cellular compartments; none-> cytosol; end of sequence-> mitochondria/chloroplasts; internally in sequence-> nucleus

what did the narrator describe as tadpoles?what did Leeuwenhoek predict was within the heads of these little tadpoles?

Answers

The narrator described sperm as tadpoles. Leeuwenhoek predicted that little men were within the heads of the little "tadpoles". 

A physician orders morphine for a client who complains of postoperative abdominal pain. for maximum pain relief, when should the nurse anticipate administering morphine?

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Morphine is a potent analgesic, it blocks the transmission of painful stimuli, it is not ordered by physicians so easily, but if it is prescribed by the doctor for postoperative abdominal pain, the nurse must supply it before the pain becomes severe and give the maximum pain relief.

Answer:clematis once a day

Explanation:

Which of these microorganisms is most likely to be found in the human stomach?

Answers

This should be Helicobacter pylori.
hope this helps!

What is the action of the vasopressin hormone released from the client's posterior pituitary gland?

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Vasopressin, or the other name Anti Diuretic Hormone (ADH), has the action of causing the opposite (anti) of a diuretic. I.e., it causes the body to retain sodium, thus retaining water. This has many physiological effects, the majority of which focus around enabling the body to maintain homeostasis when water intake or hydration levels drop.

The nurse is preparing to administer digoxin to a patient who has heart failure. the patient reports nausea, vomiting, and a headache. the nurse notes a respiratory rate of 18 breaths per minute, a heart rate of 58 bets per minute, and a blood pressure of 120/70 mm hg. what will the nurse do next?

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The nurse will administer the medication and then, using a stethoscope or monitoring equipment, will get a new heart rate once the mess are on board and see if the patient's heart rate has increased.

The genetic code in dna depends on the order of what

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The genetic code on DNA depends on the order of the bases.
Also, the process that happens in the ribosome is called translation.
Final answer:

The genetic code in DNA depends on the order of nucleic acid bases, which determines the sequence of amino acids in a protein.

Explanation:

The genetic code in DNA depends on the order of nucleic acid bases. The order of these bases determines the sequence of amino acids in a protein. Each amino acid is coded for by a specific sequence of three nucleotide bases called a codon.

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two divers are swimming in clear ocean water at a depth of 150 m. The first diver is wearing a white wet suit. When the second diver sees the first diver at that depth, which of the following colors would he see?

Answers

The second divers is going to see COLOR BLUE.
Water has the ability to transform light, thus colors appear differently in water.  Generally, water absorbs warm colors and scatter the cooler colors. In clear ocean water, visible light decreases approximately 10 folds for every 75 meters that one descend. Thus, at the depth of 150 M, the white suit will appear to be blue in colour.
Note the question is missing the multiple choice answers to choose from, however, we can still provide a meaningful answer.

Light from the sun is a composite of a full spectrum of light, ranging from very long wavelengths (such as radio waves) all the way to very short wavelengths (such as xrays and gamma rays). Visible light - the light we can see - occupies a tiny slither of the electromagnetic (light) spectrum and ranges from blue/violet (around 400nm wavelength) up to red (around 700nm wavelength).

Now back to the question. Water is much more dense than space or air, and as a result, water causes light to attenuate when it passes through it. This means parts of the light are absorbed as they travel through the water medium. Generally, higher energy light has more penetrative power and the energy contained in light is proportional to it's wavelength; the shorter the wavelength the higher the energy. This means blue light (400nm) is higher in energy than red light (700nm). So, as light passes though water, the lower energy wavelengths are attenuated (absorbed) first. This means red disappears first, then followed by orange, yellow, green, and finally blue and ultraviolet. At 150m depth, depending on how clear the water is, only blue light would remain and it would be quite dark.


Certain poisons are toxic to organisms because they interfere with the function of enzymes in mictochondria. This results directly in the inability of the cell to

Answers

Certain poisons are toxic to organisms because they interfere with the function of enzymes in mitochondria. This results directly in the inability of the cell to store information.

What is mitochondria?

Many of the same defense mechanisms found in other parts of the cell, such as proteases, lipases, antioxidant enzymes and compounds, chaperones, and DNA repair enzymes—all of which are currently the subject of research—are also found in mitochondria.

Additionally, mitochondria can be recycled via autophagy, including mitophagy, in which specifically damaged mitochondria are selected for lysosomal breakdown, just like some other organelles.

However, they also have certain weaknesses since they lack specific defense mechanisms, as well as particular qualities that can make them more resilient to stressor challenges.

Therefore, Certain poisons are toxic to organisms because they interfere with the function of enzymes in mitochondria. This results directly in the inability of the cell to store information.

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Final answer:

Certain poisons are toxic because they impair the function of mitochondrial enzymes, which leads to the interruption of ATP synthesis in cells, causing cell death. Poisons like cyanide and carbon monoxide are examples that disrupt the essential functions at a cellular level, affecting health and survival.

Explanation:

Impact of Poisons on Mitochondrial Function

Poisons can be highly toxic to organisms by interfering with enzymes in the mitochondria. This disruption directly results in a cell's inability to synthesize ATP (adenosine triphosphate), which is necessary for its survival. Examples of such poisons include cyanide, hydrogen sulfide, and carbon monoxide, amongst others. These toxicants lead to cell death by inhibiting various essential enzymatic functions, preventing the production of ATP, thus crippling the cell's energy supply and leading to its demise.

Mitochondrial poisons target the critical metabolic processes within a cell. Heavy metals and organophosphates like Sarin are examples of agents that bind to enzymes, rendering them inactive. With ATP production impaired, active transport mechanisms fail, and the cell can no longer maintain its ion balance and other critical processes, resulting in cell death. Hence, such poisons have profound effects on the health and functionality of an organism by directly affecting the cellular level.

An understanding of the mechanisms of cell death due to toxic exposure helps predict the outcomes of such poisoning cases. The severity and reversibility of cellular dysfunction depend on the body's ability to overcome the toxicant's effects through repair or adaptation. However, in cases where mitochondrial enzymes are inhibited, the result is often irreversible cell injury or death, thereby compounding the impact on the organism's overall health.

The increase of muscle size and muscle fibers is called:

Answers

Answer:hypertrophy

Explanation:

When living yeast cells were placed in congo red dye and examined under the microscope, the yeast cells remained colorless. However, when placed in methylene blue, they became blue. Later, dead yeast cells were placed in congo red dye. These cells turned red. Explain these three observations.

Answers

Well, to be honest, some of that doesn't make sense. We'll take each observation individually. 

1. Living yeast cells were placed in congo red dye, but they remained colorless. 

This makes sense. Congo red freely diffuses from high to low concentration across the cell membrane, without using any energy. The cell then pumps the molecules back out of the cells, moving them from a low concentration inside the cell to a high concentration outside the cells. This causes living yeast cells to remain colorless in congo red dye. 

2. Living yeast cells were placed in methylene blue, and they turned blue. 

This is the one that doesn't make sense. Yeast cells that are living contain an enzyme that decolorises methylene blue, whereas dead cells do not. When cells from a yeast sample are suspended in the dye, it penetrates into all the cells, but is broken down only by the living cells. So you can distinguish between living and dead cells by examining them microscopically: dead cells are stained blue and living cells are unstained. 

3. Dead yeast cells were placed in congo red dye, and they turned red. This one also makes sense. As I said in #1, living yeast cells actively pump congo red back out of themselves. If the cells are dead, this pumping does not occur, and the congo red stains the cells. The same would be true if you placed dead cells in methylene blue. The enzyme that normally breaks down the methylene blue would not be working because the cell would be dead, and the cell would turn blue. I hope i helped :p

Living cells remain colorless because of the presence of an enzyme. They cannot reduce the stain. Whereas, dead cells can reduce the stain and appear red while stained with congo red dye.

What is Staining?

Staining is a technique used to enhance the contrast in samples to visualize the samples clearly. This makes the identification and observation of samples easy.

Living cells have an active dehydrogenase system which reduces methylene blue stain and dead cells are unable to reduce this stain. Thus living cells are colorless under this stain while the dead cells stain blue.

The Congo red stain is used for staining amyloids in cell wall of plants, fungi, and outer membrane of gram negative bacteria. Congo red is a synthetic dye, used for the differential staining of elastic fibers present in the cells of bacteria and plants.

Yeast are observed to be oval (egg shaped) organism under high resolution microscopes. It is also possible to observe the buds present on some of the yeast cells.

Methylene blue stain is used in determination of cell mortality. If methylene blue stain is applied to a sample, a healthy cell with turn the stain colorless. This is due to the enzymes, which reduce the methylene blue, causing it to lose its color.

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Which process occurs directly after meiosis II

A. DNA replication
B. cell differentiation
C. reproduction
D. mitosis

Answers

A is correct. DNA replication is just a different way of saying Meiosis II.

Your answer is A DNA replication because that's how twins are born also its not B because the cells have to be the same its not D because mitosis happens first and its not C because reproduction happens after a cell dies and they make more to replace that cell with its job.                                                                                                  Your answer is A.

Which organelle would have a protein fingerprint most similar to the cell membrane?

Answers

All cells have a protective covering known as cell membrane. In plants, the cell membrane is further protected by another layer called cell wall. All the organelles present inside the cells are membrane bounded structure.
Cell membranes are made up of phospholipid bilayer with extrinsic and intrinsic proteins. From the studies on the plasma membrane structure, it was found that the protein fingerprint of MITOCHONDRIA and CHLOROPLAST are most similar to the cell membrane.

Physical movement increases __________ to the brain, helping children think well and focus better.
a. blood flow
b. carbon dioxide
c. vitamin c
d. antioxidants

Answers

blood flow  is the answer

Lincoln is a 27 year-old man who has been experiencing strange medical symptoms over the past year. HMake a list of the glands, target organs and hormones you have investigated in Lincoln’s case. Begin with the pituitary gland. Beneath
Activity 2.3.2: Hormones Gone Wild Teacher Version – Page 1each, describe the function and what hormones it involves (which gland produced if for which organ and why it was needed).
3. Research the connection between the pituitary gland and the hypothalamus, another structure in the brain. The hypothalamus and the pituitary form the chief link between the nervous and the endocrine system. Take notes in your laboratory journal.
4. Use Inspiration to create a feedback loop or diagram that shows how the body regulates the level of thyroid hormones in the body (and thus maintains normal metabolism). This loop or diagram should include the pituitary gland and the hypothalamus as well as the names of important hormones. Make sure to show how hormones exert feedback to maintain proper thyroid function. Draw arrows to and from important glands and hormones. Think about how the levels of one hormone may impact the release (or lack thereof) of another hormone.
5. Refer back to your blood glucose feedback loop from Activity 2.3.1 for ideas on how to organize your thinking and to design your loop. However, as long as you can explain your diagram, you are free to use whatever format you feel displays a clear relationship between the glands and demonstrates the idea of feedback.e knows something is wrong, but doctors are having a hard time piecing together the clues. Previous doctors’ notes report:

Answers

Its somethings like; Lincoln has noted a gradual enlargement of his body tissues. He is long past puberty, but the bones of his face and jaw seem to be growing thicker and changing shape. Even his hands and feet look larger (I don't know all of it but that's most)

Serial repetition of segments is a defining characteristic of which worm phylum?

Answers

Serial repetition of segments is a defining characteristic of ANNELIDS. 
Phylum Annelids is made up of worms which can be found either in water or on land. Those that live on land live in burrows. The mode of feeding of these worms varies; they can be scavengers, carnivores or blood s.uckers. The activity of worms that live in the soil increase the fertility of the soil.

Select all of the answers that apply. Four laws or principles are involved with the study of stratigraphy. They are _____. 1 law of original horizontality 2 law of superposition law of original lateral continuity 3 law of gravity and oppositional force 4 law of cross-cutting relationships

Answers

Four laws or principles are involved with the study of stratigraphy. They are law of original horizontality, law of superposition law of original lateral continuity, and law of cross-cutting relationships.

Answers that apply: 1, 2, and 4 or the first, second, and fourth option.

Answer:

Option (1), (2) and (4) are the correct

Explanation:

According to the Steno, the four laws that deals with the study of stratigraphy are as follows-  

Law of Superposition- this law states that in a geochronological sequence the rock layers that are present at the top are the youngest and the rock layers that lies at the bottom are the oldestLaw of Original horizontally- this law states that the sediments usually gets deposited in a horizontal manner due to the influence of gravityLaw of Cross-cutting relationship- this law states that in a particular area when the igneous bodies (such as batholith, plutons etc) intrudes other rocks, then these intruding features are generally younger than the rocks which it cuts, maintaining a cross-cutting relationshipLaw of lateral continuity- this law states that the the sediments at first are deposited and extended laterally in every direction until they meet another geological feature that interrupts its path of lateral extension

Which best describes an axon with myelin and an axon without myelin?

Answers

The impulse transmission would be faster in the myelin with an axon

Answer:

A

Explanation:

A FOR REAL

Other Questions
"an exercise session designed to promote weight loss should expend at least ________ calories." the greatest wind speed ever recorded on earth's surface is 231 miles per hour. what is the speed in kilometers per hour On Friday, November 6, 2009, Leo, a pure-bred Shar-peis was born. Leo Was born in the spring and within a few weeks of being born could already function like a full-grown dog. Though, he was born in a California junkyard; he was very kind and gentle with his brothers and sisters and soon became close with the runt in the family and helped him thrive. From the beginning, Leo knew he was special and knew his purpose in life was to help and bring joy to people. When a visitor arrived at the junkyard, his brothers ran and hid but not Leo. He stayed and liked the palms of every visitor he welcomed One day a scientist for dog allergies found Leo or should I say, Leo found him, and it was love at first sight. The scientist's name was Will, and he much enjoyed dogs and although he is allergic to dogs, Leo didnt cause him to sneeze, although with the many wrinkles in their fur, they usually tend to make people very allergic. So, will loaded Leo and his family in the car and went to a friends house to give them the dogs. Will kept Leo after realising he felt a deep connection between them. IS THIS USING CORRECT GRAMMAR PLZ ANSWER Read the text carefully, then answer the question located beneath:Time to "Bee" Wary, by Gordon WintersAfricanized honey bees were created in Brazil in 1957. Scientists mixed local bees with African ones to create a bee that would make more honey. They ended up with something much different. The new bees evolved in unexpected ways. They multiplied and migrated north. These Africanized honeybees are now known as killer bees for several scary but legitimate reasons.Killer bees are far more aggressive than their relatives. They have been known to attack in great numbers, even when there has been no direct threat on their hives. They have swarmed because of loud noises, dark clothing, bright jewelry, and even strong perfume. They will chase a person for more than a quarter of a mile and remain angered for up to 24 hours.Killer bees are also dangerous because of their sting. While most bees take up to 30 seconds to attack, killer bees sting in just 3 seconds. Their venom is no stronger than a regular bee's, but when one killer bee stings, others follow. With up to 80,000 members in a colony, victims are quickly overwhelmed. So many stings in such a short time can cause allergic reactions. Victims enter a state of shock, lose blood pressure, and in many cases, die.A final reason why "killer" has been added to their name is the unfortunate number of deaths they have caused. Experts estimate that the Africanized honeybee moves at a rate of about 200 miles each year. As the bees claim new territory, they claim new victims as well. More than 1000 people have been stung to death in South and Central America. There have been rising numbers of attacks in Mexico and a handful in the United States. Once a swarm sets sights on a victim, it is very difficult for the victim to escape. Once attacked, it is very difficult to survive.Thankfully, there has been no killer bee invasion as some once predicted. Although there is no need for panic, the threat of the killer bee is real and should be taken seriously. It is good practice to call a professional to remove beehives in your area. If you are stung multiple times by any insect, you should always seek medical attention. You may not be expert enough to tell the difference between a killer bee and a less dangerous one, so be smart. It is better to be safe than sorry.Which sentence from the conclusion paragraph best rephrases the author's thesis?A. Thankfully, there has been no killer bee invasion as some once predicted.B. Although there is no need for panic, the threat of the killer bee is real and should be taken seriously. C. You may not be expert enough to tell the difference between a killer bee and a less dangerous one, so be smart. D.It is better to be safe than sorry. PLZSSSSSHELP DUE FOR TODAY In the diagram, JG = 5 cm and GE = 10 cm. Based on this information, can G be a centroid of triangle HJK? Point G cannot be a centroid because JG does not equal GE. Point G cannot be a centroid because JG is shorter than GE. Point G can be a centroid because GE and JG are in the ratio 2:1. Point G can be a centroid because JG + GE = JE. Read this excerpt from "The All-American Slurp." When the main courses were finished, Mother brought out a platter of fruit. I hope you werent expecting a sweet dessert, she said. Since the Chinese dont eat dessert, I didnt think to prepare any. Oh, I couldnt possibly eat dessert! cried Mrs. Gleason. Im simply stuffed! How does this event support the resolution of the story? It proves that the neighbors practice healthy eating habits. It suggests that Mrs. Lin wants to teach people Chinese cooking. It shows that the Lins have successfully hosted their American friends. It illustrates that the Lins and Gleasons have similar ideas about desserts. An rfid reader is also called a(n) ______. The __________ skeleton is made up of 126 bones of the limbs and girdles. a concrete patio is 5 2/3 feet wide. it has an area of 36 5/6 square feet. Is the concrete slab long enough to fit a 7 foot picnic table without placing the table along the diagonal of the patio? Explain Read this excerpt from The People Could Fly.Nehemiah was a one who believed that if he must be a slave, he'd best be a smart one. No one who callin himself Master of Nehemiah had ever been able to make him work hard for nothin. Nehemiah would always have a funny lie to tell or he made some laughin remark whenever the so-called Master had a question or a scoldin.Which best describes how Nehemiah survived being enslaved?by using his wit to charm peopleby using his wings to fly away by using his intelligence to gain knowledgeby using his strength to overpower people Which of the following areas saw a vast number of immigrants A Georgia B Maine C Pennsylvania The coalition of various reform groups was called the _____. in the nineteenth century, women could be arrested, but couldn't serve on a jury. is this statement true or false? The _____ plays an important role in the consolidation of memories. psychology Who did Barack Obama defeat in the Democratic primaries to run for President in 2008? Simplify each expression by distributing and combing like terms -9(m+2)+4(6-7m) Secondary colors can be created from a mixture of __________ Rick works off commission. He earns 10 percent of all manufacturing equipment he sells. If he made a sale of $9,000, how much was his commission? Why do you think Sue Monk Kidd chose to have Lily narrate this story? (secret life of bees) For specific guidelines on your vehicle's maintenance, make sure to ___________. Steam Workshop Downloader