Biology High School

How long does it take the moon to cycle through all of its phases ?

Answers

Answer 1
around 29.5 days to complete a phase

Answer 2

Answer:

If you mean "About how long does it take for the moon to cycle through all its different observable shapes?"

Then the answer is a month.

Explanation:

No explanation but I got it right on my quiz haha.

Related Questions

Some materials can move across the cell membrane against a concentration gradient by what

Answers

Osmosis or cellular osmosis is the phenomenon that refers to the transfer of solvent molecules through the semi permeable membrane from a cell with a higher concentration of these molecules to another cell that has a lower concentration of these molecules.

A 26-year-old client who abuses heroin states to the nurse, "i have been using more heroin lately. i told my provider about it and they said i need more and more heroin to feel the effect i want

Answers

The nurse should explain to the client as to why heroin shouldn't be avoided and not used like how the client uses it as it shows negative effects that could lead to complications. The nurse should also explain that the provider is not a professional that will be of help or someone he or she could listen to when taking the drug as he or she is not a medial expert or professional to prove or state.

Explain how both bottom-up and top-down processing are involved in the "crystal running on the beach" example.

Answers

Of the four approaches to object perception ottom-up processing than the others. Modern psychologists have suggested a connection between the Gestalt principles and past experience.Perception starts with bottom-up processing, which involves stimulation of the receptors, creating electrical signals that reach the visual receiving area of the brain. Perception also involves top-down processing, which originates in the brain.shifting attention by making eye movements. -determined by bottom-up processes such as stimulus salience and by top-down processes such as scene schemas and task demands, which influence how eye movements are directed to parts of a scene. examples of top-down processing: multiple personalities of a blob and finding faces in a landscape; how knowledge of a language makes it possible to perceive individual words; and how the perception of pain is influenced by things other than the pain stimulus

In what ways do enzymes control the cell cycle?

Answers

they affect the rate of cycling

Which is an example of acquisition of natural passive immunity?

Answers

The transfer of antibodies from a mother to the fetus. This occurs naturally, and since it is the transfer of antibodies, it is passive immunity. 

Folds exhibit which type of deformation? folds exhibit which type of deformation? elastic ductile tensional brittle

Answers

Folds exhibit DUCTILE deformation. Folds are bent like pattern formed on the upper crust of the rocks. In simple words, folds are bend in rock strata. These are ductile deformation in the rock strata. These are results of compressional stresses on the rocks. Folds are of two types anticlines and synclines.

Which of these is the best model of a prokaryotic cell?

Answers

The question "Which of these is the best model of a prokaryotic cell" is asking us to answer the question. Though there is not any models, look for one with a nucleoid and a plasmid!

In which phase of the cell cycle are cells most often found?

Answers

Your answer would be Interphase

Which muscle bends the lower arm toward the upper arm?

Answers

That would be the Flexion

Answer:

the smooth muscle

Explanation:

A mutation has occurred that has made uvrd non-functional. what result will this have on damaged dna?

Answers

The uvrd is an enzyme that unfolds DNA. When damaged DNA is encountered, other enzymes take care of correcting the mistakes. However, these enzymes need the uvrd enzyme to unpackage DNA so that they reach it. If uvrd is non-functional, the damaged DNA will not be repaired. 

What might cause a virus in the lysogenic cycle to suddenly enter the lytic cycle?

Answers

stress of host cell, the host cell needs to be weak enough for the virus to make vital orgenells to function

Answer:

The correct answer would be the "stressful conditions of the host cell."

In the lysogenic cycle, the viral genome gets attached and integrated into host cell chromosomes and the virus becomes dormant and is termed as a prophage.

However, environmental stress to the host cell such as exposure to a toxic substance, starvation et cetera may cause the prophage to be excised which then enters the lytic cycle.

In flatworms, the ____ is/are used to gather food.
a. ​nephridia
b. ​contractile vacuoles
c. ​malpighian tubules
d. ​flame cells
e. ​pharynx

Answers

In flatworms, the PHARYNX is used to gather food.
The digestive system of the flatworm is made up of the mouth, the pharynx and gastrovascular cavity. The pharynx is a muscular tube through which the flat worm can suck food into its gastrovascular cavity. Food normally passes from the mouth through the pharynx and then into the intestine where the food get digested by the cells lining the intestine walls.

Select the correct answer.

What hormonal change occurs after fertilization that causes the endometrial lining to remain intact so that the fertilized egg can successfully implant in it?

A. The pituitary gland secretes oxytocin, which maintains the endometrial lining.

B. The pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.

C. The hypothalamus secretes gonadotropin releasing hormone, which maintains the endometrial lining.

D. The developing embryo secretes human chorionic gonadotropin, which prevents the corpus luteum from disintegrating.

E. The developing embryo takes over the production of progesterone after the breakdown of the corpus luteum to maintain the endometrial lining.

Answers

The correct option is B.
For a mature woman, each month the increased level of estrogen hormone leads the pituitary gland to secrete luteinizing hormone. Once this hormone is secreted, the ovary releases a single egg which moves down to the lining of the uterus. If fertilization does not occur, the egg is shed together with the lining of the uterus in a monthly process called mensuration. If fertilization occur, then the fertilized egg attach to the lining of the uterus and placenta is formed. The fertilized egg then send signal to the ovary to keep secreting progesterone, which will sustaining the pregnancy by keeping the uterus lining thick and nourishing for the developing embryo.

Answer:

B. The pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.

Explanation:

A deficiency disease that illustrates the effect of integumentary system function on the structure of the skeletal system is

Answers

Rickets is the disease 

A deficiency disease that illustrates the effect of integumentary system function on the structure of the skeletal system is

Rickets is the disease  that illustrates the effect of integumentary system function on the structure of the skeletal system.It usually occur due to the lack of Vitamin D or calciumIt can be caused by a genetic defect or another health condition.

What is rickets?It is the softening and weakening of bones in children due to the deficiency of Vitamin D.It affect the bone development in children.It cause bone pain, poor growth and soft weak bones that can lead to bone deformities.

To know more about rickets here

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Which salivary gland, located ventral to the ear, produces nearly half of the total volume of saliva produced?

Answers

The parotid salivary glands are located ventral to the ear and produce nearly half of the total volume of saliva produced. They are the major salivary glands in animals and humans.The parotid gland has four surfaces — superficial or lateral, superior, anteromedial, and posteromedial and receives both sensory and autonomic innervation.

The current rapid loss of species is considered by many scientists to be another mass extinction. what may be causing this increase in extinction rate, beyond background extinction?

Answers

There have been 5 mass extinctions in the history of Earth, the main two are the K-T extinction (75% of the world organisms were killed) and the great paleozoic extinction. Scientists believe a massive meteorite caused the KT extinction but could also have been caused by some traps in India. The paleozoic extinction was believed to be caused by traps in Siberia which effected the temperature and atmospheric conditions of the tune

What kind of tissue is the precursor of long bones in the fetal skeleton?

Answers

What type of tissue is the embryonic precursor for long bones in the fetal skeleton?hyaline cartilege

A direct indication that the white blood cells of the body are functioning would be

Answers

A direct indication that the white blood cells of the body are functioning would be a decrease in the number of pathogens in the body 

The immune system of a person is capable of fighting with infectious microorganisms and can easily protect the body from infectious diseases. This condition indicates that the white blood cells are functioning properly.

Further Explanation:

The foreign particles can be either microbial pathogens or dust particles and pollens. Depending on the type of foreign body, the innate immune system functions. The physical barriers like skin, mucous membranes, and lungs help in preventing foreign particle entry. The pathogens are removed by the action of immune cells called white blood cells (monocytes, macrophages, dendritic cells, mast cells, and polymorphonuclear leukocytes). In a healthy individual, the total WBC (white blood cell) count ranges between 4,500 to 11,000/. When an infection is caused, or the person has some allergy, this count is increased.

The effective immune system is fighting with any microorganism or damage that can efficiently protect the body by releasing certain chemicals. The damaged host cells also release certain chemicals (vasoactive factors) like histamine, prostaglandins, and bradykinin. This causes the movement of the fluid in the extracellular spaces. All these factors cause an increase in blood flow and fluid retention (that cause edema). The increased vascular permeability helps the WBCs to reach that area easily.The neutrophils that are delivered to the inflammation site phagocytize microbes and kill it.

Learn More:

1. Learn more about the treatment of eukaryotic cell with a drug https://brainly.com/question/10767798

2. Learn more about the proteins synthesis in a cell https://brainly.com/question/1420458

3. Learn more about the exchange of gases by blood cells https://brainly.com/question/1213217

Answer Details:

Grade: High School

Subjects: Biology

Chapter: Immunology

Keywords:

White blood cell, immune system, infection, neutrophils, lungs, foreign particle, damage, kill, phagocytize, histamine, prostaglandins.

Which of the following organelles is found in both plant and animal cells?
a.cell wall
b.chloroplast
c.central vacuole
d. mitochondrium

Answers

mitochondrium is the answer
d. mitochondria
cell walls, chloroplasts and central vacuoles are in plants but not animals

Cleavage in minerals refers to ________.

Answers

A tendency to break along planes of weakness

An injury to which marked region would hamper the sleep-wake cycle?

Answers

An injury to Head/brain can hamper sleep -wake cycle. other than that injuries to other regions can also hamper the sleep-wake cycle, because the pain could be unbearable resulting in loss of sleep. So it is also dependent on kind and severity of the injury.

Answer:

Hypothalimus... Starting at the top as 1, then going counterclockwise being 2, it would be that next one. Number 2. The two in back are 3 and 4. So, #2 is hypthalimus

Explanation:

Which of these connections are used for camcorders, dvd players, and gaming consoles?

Answers

The FireWiire is connection used for camcorders, DVD players, and gaming consoles. The standard that defines the FireWire connection is IEEE 1394. IT  is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer.


Final answer:

Camcorders, DVD players, and gaming consoles often use HDMI for modern devices, with Component Video, Composite Video, and S-Video being options for older devices.

Explanation:

The connections that are typically used for devices such as camcorders, DVD players, and gaming consoles include HDMI (High-Definition Multimedia Interface), Component Video (YPbPr), Composite Video (RCA), and S-Video. However, the most common connection used in modern devices is HDMI, which provides high-quality digital video and audio through a single cable. Older devices or those requiring analog input might use Component, Composite, or S-Video connections. It is important to select the correct type of cable to match the ports available on both the device and the display (TV or monitor) to ensure compatibility and the best possible quality of the media.

Zac and nina are studying for a psychology test. zac states that heritability refers to the extent to which genes are responsible for an individual's level of a particular characteristic is genetic. nina disagrees, stating that heritability refers to the extent to which genes are responsible for variation among individuals in a particular characteristic. which student is correct

Answers

Nina has the correct answer. Heritability is actually the extent to which the genes are responsible for the variation among individuals in a particular characteristic. Specifically, it is a figure that determines the rate of variation in a single phenotypic trait in a population with regard to the genetic variation. 
Final answer:

Nina is right. Heritability doesn't define how much of a character trait is genetic, it explains the extent to which genes cause variations in that specific trait among a population.

Explanation:

In this scenario between Zac and Nina, Nina is the correct one. Heritability does not exclusively define how much of an individual's characteristic is due to their genes. Rather, heritability explains the variation or differences we see among individuals within a population. For example, if we were studying height among a group of people, heritability would refer to how much of the variation in height is due to genetic factors versus environmental factors.

Learn more about Heritability here:

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The ________ theory describes the origin of the planets as having been formed by accretion of small particles into progressively larger and larger bodies.

Answers

The *lnebular hypothesis* therory describes the origin of planets.

Answer:

big bang

Explanation:

The tube that connects the mouth and stomach is the esophagus
a. True
b. False

Answers

Your answer is true.

How would frigid antarctic water affect the ice fish's need for oxygen?

Answers

Ice fish would require less oxygen since more is available to them in colder water. This is due to the solubility of gases increasing as temperatures decrease. This is why ice fish survive in these climates: their systems have adapted so that they can handle much lower concentrations of oxygen.

what kind of crystal is halite crystal (rock salt)?

Answers

It is "Salt" like table salt. It is Sodium Chloride
Hope this helps!
Cubic crystal is your answer.

Is key lime pie considered a lipid?

Answers

Lipids are any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with proteins and carbohydrates, the chief structural components of living cells, so yes they are considered a lipid.
Final answer:

No, key lime pie is not considered a lipid.

Explanation:

No, key lime pie is not considered a lipid. Lipids are a class of water-insoluble compounds that include oils, fats, and waxes. They are made up of triglycerides, which consist of glycerol combined with three fatty acid molecules. Key lime pie is a dessert made with key lime juice, sweetened condensed milk, and an egg-based custard, which are not classified as lipids.

Why is the catalytic activity of enzymes essential to ensure and regulate cellular metabolism?

Answers

because they assemble proteins that are essential for our the cells.

The stomach select one:
a. secretes lipases that complete fat digestion.
b. serves as a temporary storage site
c. manufactures bile.
d. contents are highly alkaline.

Answers

I would say it's b.
stomach doesn't secrete lipase, only pancreas does.
stomach also doesn't manufactures bile, the liver does.
stomach contents are highly acidic , it's around pH 2.0 , which is completely opposite to alkaline
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