the answer is D. Automobiles
help please!!!
will give brainliest
I believe the answer is A
In higher latitudes where lakes freeze over in winter, how do cool autumn tempe]ratures help fish make it through the winter?
A-The cooling water slows fish metabolisms down and allows them to go into hibernation in winter.
B-Water from the bottom of the lake raises and provides oxygen to the cooler waters on the surface.
C- Cool water at the surface traps nutrients deep in the lake to provide food during the winter.
D-The water in contact with the air sinks and mixes with the less oxygenated water in the deeper levels.
Answer:
C- Cool water at the surface traps nutrients deep in the lake to provide food during the winter.
Explanation:
As the fish have the ability to adapt to the changing temperature and they are generally are cold-blooded animals and the colder temperatures mean a reduction in the metabolic rates of the fish and this slow the numerous process of the digestion, feeding activity and thus they are often classified as cold, warm freshwater species. Atmospheric oxygen is needed for them to survive in the cold and they feed on the planktons and take the nutrients and the minerals from the surface of the and there don't remain so active as the period of the summer and the spring months.In autumn, cool temperatures cause fall turnover in lakes, where cold surface water sinks and mixes with bottom waters, redistributing oxygen and nutrients which are crucial for fish and other organisms to survive through the winter. Option D) which is The water in contact with the air sinks and mixes with the less oxygenated water in the deeper levels is correct answer.
During autumn, as air temperatures drop, the water in lakes cools down, reaching a temperature of about 4 °C, which causes fall turnover. This process involves the heavy, cold water sinking and displacing the water at the bottom, leading to a mixing of the lake's waters. As a result, the oxygen-rich water from the surface descends to the bottom, while nutrients from the lake's bottom are brought up to the top.
This vertical circulation is crucial because during winter, the oxygen at the bottom is necessary for the survival of organisms, particularly fish and decomposers. Additionally, the ice forming on the surface of the lake helps insulate the water beneath, ensuring the survival of aquatic life through the cold season. option D) is the correct answer.
NEED HELP ASAP, BRAINLIEST AND 20 PTS TO CORRECT ANSWER!
Type the correct answer.
A female with an X-linked dominant disease mates with a normal male. Based on the pedigree chart, the possibility that her offspring will actually develop the disease is (blank) %.
Q;
Beta Radiation
A;
1.is the same as alpha radiation and does not have electrons.
2.Is different from alpha radiation and does have electrons.
3.Is the strongest form of radiation.
4.Is different from alpha radiation and does have a helium nucleus.
2 is the answer;
1 - alpha has 2 protons and two neutrons and no electrons, and they have a positive charge. Beta particles have high energy electrons and are negative charged.
3 - Gamma radiation is.
4 - Of course not. They don't have 2p and 2n in its nucleus as Helium does.
The graph shows the number of calories that two people burn while they perform various exercises for one hour each. Which conclusion is supported by the graph? The 200-pound person burns more calories per hour doing aerobics than doing any other exercise shown. The 160-pound person burns about 50 calories per mile while jogging. The 200-pound person would need to play volleyball for three hours to burn the same number of calories as he burns in one hour of basketball. The 160-pound person burns about twice as many calories jogging as she does walking.
The answer is "The 160-pound person burns about twice as many calories jogging as she does walking"
Let's put a letter to each statement in order to make it easier to understand.
Statements:A - The 200-pound person burns more calories per hour doing aerobics than doing any other exercise shown: False, we can see that the 200-pound person burns more calories per hour doing basketball and jogging than doing aerobics.
B - The 160-pound person burns about 50 calories per mile while jogging: False, we can see that the 160-pound person burns much more than 50 calories per mile while jogging (more than 100 calories).
C - The 200-pound person would need to play volleyball for three hours to burn the same number of calories as he burns in one hour of basketball: False, if the 200-pound person plays volleyball for three hours it will be about 1000 calories burned (burns about 350 per hour playing volleyball).
D - The 160-pound person burns about twice as many calories jogging as she does walking: True, we can see that the 160-pound person burns about 600 calories jogging while she burns almost 300 calories walking.
Have a nice day!
What can you conclude is one limitation of the arrangement of glucose molecules that gives chitin and cellulose their strength?
A) It does not allow for storage of energy and, therefore, provides little nutritional value.
B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
C) It does not allow for the elimination of waste material and, therefore, causes higher energy use.
D) It does not allow for a bonding with hydrogen and, therefore, creates limitations on height. ...?
the answer is ( B :)
Answer:
The correct answer is the option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
Explanation:
In cellulose and chitin the arrangement of glycogen in in alternate arrangement that provides the support to the plants that makes it strong and the limits its mobility.
If plants lac their special arrangement of the glycogen in chitin and cellulose the water will flow in and it will not be stand upright.
Thus, the correct answer is option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
Why are yeast cells frequently used as hosts for cloning?
A) they easily form colonies
B) they can remove exons from mRNA.
C) they do not have plasmids.
D) they are eukaryotic cells
E) only yeast cells allow the gene to be cloned
Yeast cells frequently used as hosts for cloning as they are eukaryotic cells. So, the correct option is (D).
What are Yeast cells?
Yeast cells are defined as round to elongated cells that reproduce vegetatively by budding or sprouting to produce the mycelium found in some members of the Mucorales.
These are eukaryotic, single-celled microorganisms classified as members of the fungi kingdom. The first yeasts originated hundreds of millions of years ago having at least 1,500 species are currently recognized and are estimated to account for 1% of all described fungal species.
These cells are usually used for cloning as host as they are eukaryotic cells.
Thus, Yeast cells frequently used as hosts for cloning as they are eukaryotic cells. So, the correct option is (D).
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Yeast cells are frequently used in cloning because they are eukaryotic, a fundamental likeness to many other organisms, which aids in genetic engineering. Also, they form colonies easily, allowing researchers to identify successful cloning events and isolate each individual clonal population.
Explanation:Yeast cells are commonly used as hosts for cloning for several reasons. Firstly, yeast cells are eukaryotic, making them similar to many other organisms in a fundamental way, which is advantageous for genetic engineering purposes. This likeness is key for post-transcriptional modifications, and yeast cells have the necessary machinery to carry out processes such as splicing and polyadenylation.
Secondly, yeast cells can easily form colonies, which makes the identification of successful cloning events easier. By formulating colonies, researchers can isolate and analyze each individual clonal population. This is ideal for experiments in which the effects of a single gene need to be studied in a controlled environment.
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help will give brainliest!
What happens at the ribosome?
A) protein synthesis
B) mRNA codons and their complementary tRNA anticodons match up
C) amino acids are joined together by peptides bonds to make a polypeptide (protein)
D) all of the above
. How are starch and glycogen related? Both starch and glycogen give wood its strength. Humans store the energy from starch as glycogen. Both starch and glycogen can be digested only by cows. Plants store the energy from starch as glycogen.
humans store the energy from starch as glycogen gradpoint answer
Materials:
4 eggs
Two cups of milk (preferably whole/full cream, or made from powdered milk)
Your own hair from a hairbrush or comb
Small saucepan
Mixing bowl
Baking tray or cookie sheet
Aluminum foil
Candy Thermometer or Cooking/Meat thermometer
Stove/Oven (with oven mitts/pot holders)
_____________________________________________
Part A: Eggs
Crack your eggs over your mixing bowl one at a time. Separate the egg whites and yolks so that only egg whites are in your mixing bowl. If you get any egg yolk into your egg white mixture, you will need to restart.
Pour the raw egg whites into a small saucepan and place over “low heat” on your stove.
Place your thermometer into the mixture and begin recording the temperature of the egg whites.
Make observations about the egg white mixture as the temperature increases. You might want to mention the appearance, color, texture, or smell of the mixture. Record all observations and their associated temperatures in your data table.
Keep heating the mixture until a clear texture change in the entire mixture occurs. You may need to increase the heat of the stovetop if the mixture’s temperature isn’t increasing.
Dispose of the egg whites. Clean the saucepan, mixing bowl, and thermometer
_____________________________________________
Part B: Milk
Pour two cups of milk into your clean saucepan. If you are using powdered milk, first combine the powdered milk with about two cups of water, mix well, and let sit before adding to saucepan.
Turn the stove on to low heat and insert your thermometer to begin recording temperature.
Make observations about the milk as the temperature increases. Try to mention the appearance, color, texture, or smell of the mixture. Record all observations and their associated temperatures in your data table.
Keep heating the mixture until there is a clear texture change. You may need to increase the heat of the stove top if the temperature isn’t increasing.
Dispose of the milk. Clean the saucepan, bowl, and thermometer
_____________________________________________
Part C: Hair
Preheat your oven to 200 degrees Fahrenheit.
Place aluminum foil over your baking/cookie sheet.
Acquire some of your own hair from a comb or toothbrush and place it on your covered baking/cookie sheet. Insert the sheet into the oven once it has reach 200 degrees Fahrenheit.
Let the hair heat up in the oven, watching for any changes (about 5 minutes).
Increase the temperature of the oven by 25 degrees Fahrenheit and allow the hair to heat up for 5 minutes. Record any changes to the hair appearance or texture. You can simply observe the hair through the oven window, but you may want to remove the hair from the oven for a closer look. Make sure to use oven mitts and to not open the oven too often (one observation per temperature increase will be enough).
Record all observations and their associated temperatures in your data table. Keep heating the hair until there is a noticeable change in appearance or texture.
Remove the hair from the oven and turn it off. Allow the hair to cool and then dispose of the hair and aluminum foil.
Questions:
________
About at which temperature did the protein in eggs denature? How could you tell?
About at which temperature did the protein in milk denature? How could you tell?
About at which temperature did the protein in hair denature? How could you tell?
Why do you think different proteins denature at different temperatures?
Why might it be useful to denature a protein?
Protein Denaturation
NAME OF MAIN PROTEIN: TEMPERATURE: OBSERVATION:
EGGS: - 144°F - Then four eggs were cracked into a bowl and separate the yolk from the egg whites. Then was poured the raw egg whites into a saucepan and turn the stove on low heat, then placed the thermometer. The temperature of the egg whites began to increase 80°F. The texture began to become tough and rubber like. The temperature began to increase again to 160°F.
MILK: - 180°F - Two cups of milk was then poured the into a clean saucepan, then was turned it on low heat and inserted the thermometer into the saucepan. The temperature of the milk began to increase to 80°F. The color stayed the same and the texture began to thicken.
HAIR: - 225°F - The oven was then preheated to 200°F, then put aluminum foil over your baking sheet. Hair was revieved from a hair brush and placed was on the baking sheet, then put the baking sheet in the oven. The hair heated for 5 minutes then increased the oven to 225°F, then it heated for another 5 minutes. The texture of the the hair became stiffer and dry.
Questions:
1. What is the most abundant type of protein in egg white? What do you think its purpose is?
2. What is the most abundant type of protein in milk? What do you think its purpose is?
3. What is the most abundant type of protein in human hair? What do you think its purpose is?
4. What happens when a protein denatures?
5. What conditions might cause a protein to denature (list at least two)?
Answers:
1. The most abundant type of protein in egg white is ovalbumin is the most abundant protein in albumen.
2. The most abundant type of protein in milk is caseins.
3. The most abundant type of protein in human hair is biomaterial primarily composed of protein, especially alpha-keratin.
4. Denaturation of proteins involves the destruction of the tertiary and secondary structure.
5. Conditions that might cause a protein to denature is the heat increases the knortic energy which causes the molecules to vibrate so rapidly and violently that the bonds are disrupted, and the heat can disrupt hydrogen bonds and non-polar hydrophobic interaction.
Question:
1. About at which temperature did the protein in eggs denature? How could you tell?
2. About at which temperature did the protein in milk denature? How could you tell?
3. About at which temperature did the protein in hair denature? How could you tell?
4. Why do you think different proteins denature at different temperatures?
5. Why might it be useful to protein?
Answer:
1. After a few minutes, the temperature of the eggs increased to 80°F, then five minutes later it increased agin to 160°F. The eggs then began to become tough and rubbery.
2. After a few minutes, the temperature of the boiling milk increased to 80°F. It then became a thick consitantsy.
3. After the hair was in the oven set at 200°F, the hair became stiff like, then was bumped up to 225°F. It then became stiffer and dry.
4. Yes, different proteins denature at different temperatures can melt above 106°F.
5. Denature a proteins change their structure in the presence of certain chemicals, acids or bases.
In this assignment, data was collected throughout the experiments. During the egg white experiment, the temperature rose of the egg whites began to increase 80°F, then increase again to 160°F, texture began to become tough and rubber like. During the milk experiment, temperature of the milk began to increase to 80°F, the color stayed the same and the texture began to thicken. During the hair experiment, the hair heated for 5 minutes in the 200, the oven was increased to 225°F. Then heated for another 5 minutes, then the texture of the the hair became stiffer and dry.
Material:
⦁ 4 eggs
⦁ Two cups of milk
⦁ Your own hair from a hairbrush
⦁ Small saucepan
⦁ Mixing bowl
⦁ Baking tray
⦁ Aluminum foil
⦁ Candy Thermometer
⦁ Stove and Oven
The protein in eggs denatures at 60-70 degrees Celsius, while the protein in milk denatures at 70-80 degrees Celsius. Hair protein typically denatures at temperatures above 150 degrees Celsius. Proteins denature at different temperatures due to their unique structures and compositions. Denaturing proteins can be useful in cooking and research applications.
Explanation:The protein in eggs denatures at a temperature of around 60-70 degrees Celsius. You can tell that the protein has denatured because the appearance of the egg white changes from clear to opaque white as it cooks.
The protein in milk denatures at a temperature of around 70-80 degrees Celsius. You can observe the denaturation of milk protein by noting a change in the appearance, color, and texture of the milk as it heats up.
The temperature at which hair protein denatures can vary, but it typically occurs at temperatures above 150 degrees Celsius. You can tell that the protein in hair has denatured by observing changes in its appearance and texture, such as a change in color or a brittle texture.
Proteins denature at different temperatures because each protein has a unique structure and composition. The stability of a protein's structure depends on the specific interactions between its amino acids, which can be affected by factors like temperature and pH. Some proteins are more heat-tolerant and have adapted to function at higher temperatures, while others are more sensitive and denature at lower temperatures.
Denaturing a protein can be useful in a variety of contexts. For example, denaturing proteins in food during cooking helps to improve their digestibility and enhance their flavor. In research and biotechnology, denaturing proteins can help to study their structure and function, or to isolate specific protein components.
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Is it true of false that a disease that wiped out the rabbit population in an enviorment would affect the coyote population in the same environment?
(oxygen, electron transport chain, chemiosmosis, NADPH)
ATP synthesis in both chloroplasts and mitochondria involves the process called _______
In both cellular respiration and photosynthesis, a(n) _________ built into a membrane pumps H+ across the membrane as electrons are passed from one electron carrier to the next in a series of redox reactions
In respiration, the electrons come from the oxidation of organic molecules, and __________is the final electron acceptor.
In photosynthesis, the electrons come from water and end up in ___________
Hai there :3 I'm planning to study chemical engineering.
Question related to Biochemistry (Photosynthesis & Cellular Respiration)
1. Chemiosmosis. In the process of chemiosmosis, specific enzymes (such as ATP synthase) create ATP. Hydrogen ions go from a higher proton concentration to a lower one, which is why it's called chemio"osmosis"
2. Electron Transport Chain (ETC). The name says it all. Simply explained, electrons are transported and transferred in the mitochondrial membrane.
3. Oxygen. O2, the diatomic molecule, is essential in respiration. In the final stage of respiration, at the near end of the electron transport chain, oxygen accepts protons to become water. Cells use O2 during oxidative phosphorylation.
4. NADPH. I remember learning what this acronym means by heart. Nicotinamide Adenine Dinucleotide Phosphate Hydrogen. NADPH is essential in photosynthesis as a typical coenzyme in the reduction of chemical reactions.
What property of water allows nutrients and gases to move throughout the body is it adhesive or cohesive
I think it is Cohesive because the water molecules are being pulled up
The cohesive property of water allows nutrients and gases to move throughout the body.
What are the other properties of water?The properties of water may include polarity, the universal solvent, high surface tension, cohesion & adhesion, high heat of vaporization, etc.
Due to the ability to form hydrogen bonds with other atoms or molecules, water has the strong cohesive force to attract molecules of the same kind or others as well.
Due to this cohesive force, all the nutrients and gases are attract to one another and move throughout the body.
Therefore, the cohesive property of water allows nutrients and gases to move throughout the body.
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A plant is moved from direct sunlight and placed into complete darkness.
Which structure in the plant's cells would be most affected by this change?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Chloroplast
(Choice B)
B
Vacuole
(Choice C)
C
Mitochondria
(Choice D)
D
Golgi body
It would be choice A, Chloroplast. That's because the chloroplast is the organelle that carries out photosynthesis. The process requires energy from the sun in order to be carried out so without light the chloroplast would be affected.
Brainliest please????
Answer:
chloroplast
Explanation:
Which of the following is NOT characteristic of adolescence?
a. identity versus confusion
b. formal operational stage of cognitive development
c. preconventional level of moral development
d. growth spurt
B. Formal operational stage of cognitive development
Preconventional morality: It is the earliest stage of moral development around nine years, the rules are external imposed by authority figures and seek to avoid punishment or receive a reward.
Conventional morality: In this second phase most adolescents and adults, individuals learn about rules and authority, which govern how they should or should not behave, in addition to learning to obey them.
The answer is: c. Preconventional level of moral development.
Complete the sentence. When an acid is added to water, hydroxide ions __________.
increase
decrease
stay the same
disappear
(MY WHOLE GRADE DEPENDS ON THIS QUESTION)
When an acid is added to water, hydroxide ions increases.
it decreases. i know this for sure
Which of the following is an example of polygenic inheritance?
A) pink flowers in snapdragons
B) the ABO blood group in humans
C) Huntington's disease in humans
D) white and purple flower color in peas
E) skin pigmentation in humans
The answer would be E. Skin pigmentation in humans
Polygenic inheritance is the inheritance of a trait that is controlled by multiple genes. An example of this is skin pigmentation in humans.
Explanation:Polygenic inheritance refers to the inheritance of a trait that is controlled by multiple genes. It occurs when the phenotype of a trait is influenced by the additive effects of two or more genes. An example of polygenic inheritance is skin pigmentation in humans. The variation in human skin color is controlled by multiple genes that interact with each other to produce a range of skin tones.
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The aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean. These volcanic islands were formed by the nearby...
A. subduction of a continental plate
(B. subduction of an oceanic plate)-answer but why is this the answer?
C. divergence of a continental plate
D. divergence of an oceanic plate
The correct answer is B
Subduction of a ocean plate.
Aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean when the Pacific plate gets subducted under North American Plate at a dip of 45 degrees. The pacific is an oceanic tectonic plate that lies beneath the Pacific Ocean. And thus the correct answer is option B
16. Which of the following accurately describes a step within transcription?
A. DNA polymerase uses one strand of RNA as a template to put together nucleotides.
B. The DNA strand is used as a template for which a complementary RNA strand can be produced.
C. The RNA strand forms a template by which DNA can be built.
D. The RNA strand is produced within the cytoplasm.
what is the unemployment rate if the number of unemployed people is 19 and the labor force is 300
a. 6.3%
b. 7.1%
c. 5.9%
The unemployment rate can be calculated by dividing the number of unemployed people (19) by the labor force (300) and multiplying by 100, resulting in a) 6.3%.
The unemployment rate is defined as the number of unemployed persons divided by the total labor force, expressed as a percentage.
To determine the unemployment rate, follow these steps:
Take the number of unemployed people: 19Take the total labor force: 300Divide the number of unemployed people by the total labor force: 19 / 300 = 0.0633Convert the result to a percentage by multiplying by 100: 0.0633 * 100 = 6.33%Hence, the correct answer is a) 6.3%.
The scientist has a water sample from an unknown location in the lake. When bromothymol blue is added, the sample becomes blue. From where did the sample most likely come?
The aqueous bromothymol blue solution act as a pH indicator and turns blue only in case when the pH of the sample is above or equal to 7.6
Since the pH of the water at the surface of the lakes is higher and ranges between 7.5 to 8.5 the color of bromothymol turn blue.
The fact that children in different cultures ____ in the age at which basic motor skills appear demonstrates that ____.
a. vary somewhat; genetic factors can slow or accelerate early motor development
b. vary somewhat; environmental factors can slow or accelerate early motor development
c. do not vary; genetic factors alone determine early motor development
d. do not vary; environmental factors alone determine early motor development
Children's motor skill development times vary across cultures due to environmental factors, not solely genetic ones.
The fact that children in different cultures vary somewhat in the age at which basic motor skills appear demonstrates that environmental factors can slow or accelerate early motor development. This is supported by research indicating that while there are universal sequences of development, such as in language milestones, the timing of motor skills like sitting, crawling, and walking can differ due to varying cultural practices and childcare. For instance, in the Aché society of Paraguay, children typically start to walk later than those in Western cultures because they are carried more frequently to ensure their safety in the forest environment. However, as they grow older, their motor skills develop to surpass those of children in the U.S.
What effect do you think the angularity of rock chips has on the rate of weathering? Help asap.
Which of the following occurs as a cell decreases in size?
1Points
A
The surface area volume ratio increases.
B
The surface area increases.
C
It is more difficult to transport waste and nutrients in the cell.
D
The volume increases.
My answer will be option A. "The surface area volume ratio increases.This is because, with normal growth, the cell gets bigger and bigger and its speed of waste production and its need to obtain resources increase faster than the surface where it is supported This explains why large organisms must consist of many small cells: cells are small in volume to maintain a large surface-to-volume ratio.
Correct answer: A). The surface area volume ratio increases.
A cell is like a compartment where various types of chemical reaction occur, like any living thing it also grows and increases in size. The higher the volume of the cell the larger reactions can occur in the cell. It means that higher surface area will allow a large exchange of substances through the cell.
If the size of the cell is decreased, it means its surface area to volume ratio also decreases, but at unequal rates. The volume would decrease faster as compared to the surface area which will lead to an increase in the surface area to volume ratio.
Hence, as the cell size decrease, the surface area to volume ratio increases.
describe how sodium atom forms a bond with a chlorine atom
The sodium atom loses an electron and becomes positively charged. The chlorine atom gains an electron and becomes negatively charged. The two charged ions then form an ionic bond. Hope this helps
Even though sodium has a proclivity to lose an electron and chlorine has a proclivity to gain an electron, the components are well suited to bond with one another. This electron transfer results in the formation of the ionic bond that holds Na+ and Cl- together.
What is ionic bond?Ionic bond, also referred to as electrovalent bond, is a type of interconnection established in a chemical compound by the electrostatic attraction of oppositely charged ions.
When the valence (outermost) electrons of one atom are permanently transferred to another, a bond is formed.
An ionic bond is formed when a metal and a nonmetal interact, whereas a covalent bond is formed when two nonmetals interact.
Despite the fact that sodium has a tendency to lose an electron and chlorine has a tendency to gain an electron, the components are well suited to bond with one another.
The formation of the ionic bond that holds Na+ and Cl- together is the result of this electron transfer.
Thus, this way sodium atom forms a bond with a chlorine atom.
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____________ tend to exhibit greater cerebral specialization; ___________ tend to have a larger corpus callosum.
a. females; females
b. Males; males
c. Females; males
d. Males; females
What is climate? A: physical state of the atmosphere at any given time and place. B: long term patterns in temperature and precipitation. C: the measure of how quickly molecules are moving. D: the weight of the air above any particular point.
The answer is.. B :)
Grizzly bears in Yellowstone National Park have become repeatedly exposed to human beings, such as campers and hikers. These grizzly bears no longer exhibit a fear response to humans because
A. their instincts are to not be afraid of humans.
B. they are modeling the behavior of the humans.
C. they have become habituated to human contact.
D. they have imprinted on humans.
levels of organization in the ecosystem
The levels of organization in the ecosystem are: population, community, ecosystem, and biosphere.