THIS IS A PSYCHOLOGY QUESTION.
Describe the major theories for the purpose of sleep. Why do we sleep?

Answers

Answer 1
sleep serves a number of different physiological and psychological purposes including cleaning up brain toxins and consolidating information into memory.

Related Questions

describe the important of nucleotides for proteins​

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Answer: the two families of nucleic acids, rna and dna make the sequence of nucleotides in the dna or rna codes to make proteins in the cell

Explanation:

Why is it important for molecules to able to travel into and out o your body's cells?

Answers

It’s important there’s molecules that could do so for keeping homeostasis, food movement, keeping the cell isotonic with movement of water, glucose to go into cell to not let it starve and waste to escape and not build up in cell

The function of the transport proteins is to maintain the internal environment of the cell's salt, nutritional, and protein balance within a range that ensures the survival of the cell and the organism.

What is importance of a molecule to move across the cell?

Biology places a great deal of importance on the passage of substances into and out of cells (for example, nutrients into and poisons out), as without it, no cell and hence no organism could survive for very long.

Moving chemicals throughout the body is essential for living cells. Transporting chemicals into and out of cells is necessary.

Examples include oxygen, carbon dioxide, and dissolved food. Active transport, osmosis, and diffusion are used to accomplish this.

Therefore, transport of a molecule into and out  of cell is important to functioning of cell.

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What determines the carrying capacity of an ecosystem?
a. the number of different types of organisms in an ecosystem
b. the amount of available resources
c. the square mileage it encompasses
d. the ratio of biotic to abiotic factors

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Answer:

the answer is B. the amount of available resources

Explanation:

The carrying capacity of an ecosystem determines the amount of available resources. Therefore, option B is correct.

What is an ecosystem ?

The term ecosystem is defined as the community or group of living organisms that live together and interact with each other in an environment. The biotic and abiotic components are linked together through nutrient cycles and energy flows.

Ecosystem plays an important role to purify our air, maintain our soil, regulate the climate, to clean our water, recycle nutrients and provide us with food. They are at the foundation of all civilization and sustain our economies.

The carrying capacity of an ecosystem determines the amount of available resources. Carrying capacity depends on many abiotic and biotic factors in the ecosystem.

Thus, option B is correct.

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A tide table shows the date, time, and height of the predicted tides. What type of tide is the following table representing, semidiurnal, mixed semidiurnal, or diurnal? Date Day Time Height 11/30 Mon 11:58 am 6.34 H 11/30 Mon 11:43 pm 2.16 L 12/1 Tues 11:01 am 6.27 H 12/1 Tues 11:30 pm 1.99 L

Answers

Answer:

 the date

Explanation:

A tide table shows the date, time, and height of the predicted tides. The type of tide that the given table represents is mixed semidiurnal.

What is a mixed semidiurnal tide?

A mixed semidiurnal tide is a tide that has two high tides and two low tides of different magnitudes in each day. The interval between consecutive high tides or low tides is almost the same.

The height of the tides changes every day due to the gravitational pull of the Sun and the Moon on the Earth's ocean water. The influence of the Moon on tidal patterns is more significant than that of the Sun.

Therefore, a mixed semidiurnal tide is the one with two high and two low tides of different magnitudes in each day, which is represented by the given tide table. All of these characteristics indicate a semidiurnal tide pattern.

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Can someone help me out?

Answers

Add more enzyme Add more substrate Adjust ph to an optimal level

what are the two types of eukaryotic cells?

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Answer:

animals, plants, protists, and fungi

Plants and Animals or Fungi and Protists

Which role of bacteria is the most beneficial in terms of maintaining the health of the plant populations in our ecosystems?

Bacteria serving as a major food source for secondary consumers.

Bacteria aiding in digestion in the intestines of animals.

Bacteria producing oxygen for the oxygenation of the earth's atmosphere.

Bacteria decomposing dead materials which returns nutrients to the soil.

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Answer: Bacteria producing oxygen for the oxygenation of the earth's atmosphere.

Explanation: ????????? NOT FOR SURE

I need help this is about hypothesis

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Water helps the plant by transporting important nutrients though out the plant. Nutrients is drawn from soil and used by the plant. So basically water is important because it helps the plants stand and also have nutrients though out the plant cause without it the plant droop. Does that even make sense? If not I’ll write another summary <3

Which acid and base react in the formation of salt sodium chloride? (A. hydrochloric acid and sodium hydroxide (B. sodium carbonate and chlorine (C. sodium hydroxide and sodium chloride

Answers

Answer:

The answer is a

Out of the three physical states: ice, liquid water and vapor, why do you think water exists as a liquid ​the most o​ n our planet?

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It would be definitely be water

I think it is because of the temperature of the earth.

If ice was the most common physical state on our earth it would be because of how cold it would be. Other way around with vapor.

which is not included in the partnership-based approach to conservation of the US fish and wildlife service?

cooperation
consultation communication contemplation

Answers

Answer:

Consultation.

Explanation:

Consultation is not included because there is no need for it in US fish and wildlife service. Cooperation, communication and contemplation are needed in order to conserve the US fish and wildlife service in a good manner. Cooperation is required in order to fulfill the common goal and communication between different departments is also necessary. contemplation refers to examination and inspection which is very important for achieving the goal.

Drag each tile to the correct location. The tiles can be used more than once. Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.

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Answer:

The correct image with related to question is attached please do check.

Explanation:

Genetic material or Nuclear material can be found in the cell either  in "nucleus" a membrane bound organelles or found in the cytoplasm. This is the major difference between prokaryotic and eukaryotic cell.

In prokaryotic cell the genetic material that is DNA, and RNA is not present in the nucleus as there is no body like nucleus for instance figure 2 and 3 whereas in eukaryotic organisms it is present in a nucleus like in figure 1 and 4.

Answer:

1. eukaryotic cell

2. prokaryotic cell

3. prokaryotic cell

4. eukaryotic cell

Explanation:

I got it right on plato.

For each picture, select from the drop-down menu the main type of carbohydrate the food contains.
monosaccharide
disaccharide
polysaccharide

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Answer: rice=polysaccharide grapes=monosaccharide Milk=disaccharide

Explanation:

How do scientists use probability in genetics?

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Use of punnet squares with dominant and recessive genes

Describe ways in which a healthy artery differs from an artery affected by coronary heart disease

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Answer:

A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coronary heart disease is often blocked, usually by a fatty deposit. This means the blood does not flow as well. (See diagram, in which I would draw two arteries, one with a blockage of fatty deposit, one clear and healthy).

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How could increasing the number of plants help you decrease error in the experiment? Check all possible reasons.

It would increase the sampling error.

It would reduce the significance of any single measurement error.

It would make calculations easier.

Having more data would make the average height less affected by one or two plants that are randomly shorter or taller.

It would make a plant’s death less of an issue.

Answers

Having more data would make the average height less affected by one or two plants that are randomly shorter or taller.

Answer: Increasing the number of plants in an experiment will help decrease the error, because you have more test subjects to run the test on.

Explanation:

The more subjects that you have have the more tests you can run, this will give you a chance to get more accurate and consistent results. When completing an experiment, you normally have to run 5 or more tests in order to get a goos set of data. So by increasing the number of plants you test on, you'll be able to get a better set of data.

Which are the four steps of mitosis?

Answers

Explanation:

everything but interphase

Answer:

prophase, metaphase, anaphase, and telophase

Explanation:

These phases occur in strict sequential order and cytokines- the process of dividing the cell contents to make two new cells.

Hope this helps!

1-2 sentences Identify the black lines in the image and explain what they represent.

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Im guessing positive and negative energy

You are conducting a photosynthesis experiment to determine how much oxygen is produced over a 24-hour period of time. You are measuring the oxygen production every hour for 24 hours.

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Answer:

Measure only daytime.

Explanation:

It is useless to measure the oxygen production every hour for 24 hours because oxygen is produced during day time due to the presence of photosynthesis process. Oxygen is produced in large amount during photosynthesis, some oxygen is used in respiration while the remaining diffuse out from plant body through stomata. After vanishing sunlight, the photosynthesis process stop and no production of oxygen occur. So only measure oxygen production at daytime as compared to every hour for 24 hours.

Which is a characteristic of the part of the atom marked "B”? It is very dense. It has a large mass. It is negatively charged. It is where neutrons move.

Answers

Nucleus is where the neutrons are located and where there is the most mass.

Hope this helps!

Answer:

Nucleus is where the neutrons are located and where there is the most mass.

Explanation:

What would happen if a plant cell is placed in a solution of salt?

Answers

If a higher concentration of salt is placed outside of the cell membrane, the water will leave the cell to bond with it. The loss of water from this movement causes plant cells to shrink and wilt. This is why salt can kill plants; it leaches the water from the cells.

3. For each of the following chemicals, list the subunit(s). Designate (with a star or asterisk) which
are considered to be polymers. (2)
a. polysaccharides
b. nucleic acids
c. proteins
d. lipids

Answers

It’s proteins c and possibly d

why is the tongue considered an organ?

Answers

Answer:

The tongue can be viewed as an organ. It’s comprised of various tissues that give it its own functions that no other organ can replace, it has its own innervation, irrigation, lymphatic and venous drainage. Those are the characteristics that define an organ.

Answer:

Hmm.

Explanation:

The tongue is considered an organ because it has a special job to do.

'Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function.

'The tongue is a muscular organ in the mouth of most vertebrates that manipulates food for mastication and is used in the act of swallowing. It has importance in the digestive system and is the primary organ of taste in the gustatory system.'

2. What is the protoplasm surrounding the nucleus
called?






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Answer:

Protoplasm is composed of a mixture of small molecules such as amino acids, monosaccharides and water, and macromolecules such as nucleic acids, proteins, lipids and polysaccharides. In eukaryotes the protoplasm surrounding the cell nucleus are actually known as the cytoplasym and that inside the nucleus as the nucleoplasms.

describe in short about periodic table​

Answers

Explanation:

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. ...

The columns, called groups, contain elements with similar chemical behaviours.

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What causes the phases of the moon?

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Answer:

Just like the Earth, half of the Moon is lit by the Sun while the other half is in darkness. The phases we see result from the angle the Moon makes with the Sun as viewed from Earth. ... We only see the Moon because sunlight reflects back to us from its surface.

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Hope this helps-xoxo

Answer:

The rotation and revolution of the Moon around the Earth. And the Sun' s light reflecting off the surface of the moon

Explanation:

what do i have in common with a tree?

Answers

Answer: You both grow and its take some time for both of you to grow you both need Air that is what you've got in common.

how can you identify a consumer?

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You can identify your customers by grouping them according to certain characteristics that you believe may be of importance to you. This is called demographics. This will help you not only know who your customers are, but also how you would be able to deal better with them. I hope this help if not just comment and I will get a notification to help again

why you add water to Sulphur dioxide and put a blue Litmus Paper in it why does it turns red​

Answers

Answer:

Because it produce weak acid and acid turns blue lithmus paper to red.

Explanation:

Sulphur dioxide SO2 react to added water to produce acidic product.

When sulphur dioxide react with water, it produce sulphurous acid H2SO3 which is a weak acid.

One of the properties of acid is that they turn blue lithmus papper to red, because the product is an acid, blue lithmus papper turns to red.

What is the importance of the main nutrients cycle?

Answers

Nutrients cycle allows the transformation of matter to different specific forms that enables the utilization of that element in different organisms.
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