Most of the life of any cell is spent in a period of growth called ____.a.interphase.telophase.prophase.anaphase

Answer:

1 (?)

Explanation:

How does the nitrogen cycle work? Step 1- Nitrogen Fixation- Special bacteria convert the nitrogen gas (N2 ) to ammonia (NH3) which the plants can use. Step 2- Nitrification- Nitrification is the process that converts the ammonia into nitrite ions which the plants can take in as nutrients.

So even when starting with the first question we know that nitrogen is present in soil BUT the cycle begins during Nitrogen Fixation which plants use.

we also know that the nitrogen cycle has a start-- given I just explained that-- and even though it's continuous there is a point where the cycle repeats and therefore starts again. Knowing it's continuous we also know that when nitrogen 'ends' the cycle simply starts again, and the nitrogen is released back into the air. ("Nitrogen gas [N2] diffuses into the soil from the atmosphere")

In conclusion: 1 is the most probable answer.

To select the correct working-end of a double-ended universal curet for an anterior tooth, the hygienist should look for the curved cutting edge.

The curved cutting edge is the working-end of the curet and is designed to adapt to the curvature of the tooth surface, allowing for effective scaling and root planing. The other end of the curet will have a straight cutting edge or a rounded toe, which is typically used for different areas of the mouth or specific dental procedures. By identifying the curved cutting edge, the hygienist can ensure that they are using the appropriate working-end for the anterior tooth.

When using a double-ended universal curet to prepare the cavity for restoration in an anterior tooth, the working end with a concave surface should be placed against the tooth surface. This is because the concave surface is designed to conform to the curved shape of the tooth and allows for more effective removal of dental cement and other materials.

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The Shelterwood system of timber harvesting involves leaving small numbers of mature trees in place to provide shelter for seedlings as they grow.

The shelterwood system is a silvicultural system in which trees are removed in a series of cuts to create a new stand beneath the shelter of existing trees. In contrast to clear-cutting, it avoids having periods when there are no trees to provide shelter and protect the soil, thereby lowering the risks. As a result, this system has potential in mountain forests.

It does, however, require more expensive timber harvesting than the clear-cutting system, and careful logging is required to avoid damage to the remaining stand and regeneration, especially on steep slopes. Shelterwood cuts will destabilise the stand and are therefore not recommended if the individual trees in a protection forest are vulnerable to wind damage. The final cut can be made only after the regeneration has grown sufficiently to ensure the protective envelop.

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11. The two main phases of the cell cycle are the cytokinetic phase and interphase. (False)

12. The phase in which a cell spends most of its life is interphase. (True)

13. During the mitotic phase, the nucleus divides. (True)

14. Some cells stop the cell cycle in the interphase GI stage. (True)

15. The period of growth and development in the cell cycle is called interphase. (True)

16. The process by which cells duplicates takes the same amount of time no matter which type of cells a duplicating. (False)

17. In mitosis, two different cells are being created. (True)

18. Sister chromatids are identical. (True)

19. Mitosis occurs in the following order: prophase - metaphase - telophase – anaphase. (False)

20. Cytokinesis is the final stage of cell division. (True)

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The control of parathyroid hormone release is a finely-tuned negative feedback mechanism that ensures the proper balance of calcium in the blood.

The release of parathyroid hormone is regulated by a negative feedback mechanism. When the levels of calcium in the blood decrease, the parathyroid glands release parathyroid hormone, which acts on the bones, kidneys, and intestines to increase calcium levels in the blood. As the calcium levels rise, this signals the parathyroid glands to stop releasing more parathyroid hormone, thus restoring the balance of calcium in the blood.
This feedback mechanism is crucial for maintaining healthy levels of calcium in the body. If the parathyroid glands release too much parathyroid hormone, it can lead to hypercalcemia, which can cause fatigue, muscle weakness, and kidney stones. On the other hand, if the parathyroid glands release too little parathyroid hormone, it can lead to hypocalcemia, which can cause muscle cramps, seizures, and even cardiac arrest.
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Saturated fats have single bonds between Carbon but unsaturated have either double or triple bond between Carbon

Unsaturated fats, which are liquid at room temperature, are regarded as healthy fats because they can lower blood cholesterol levels, reduce inflammation, maintain healthy cardiac rhythms, among other positive effects.

Because of sigma bonds saturated have higher melting point and that is why at room temperature they exist in the solid state. For example ghee . Unsaturated fatty acids have lower melting point that is why they exist as liquid  . For example oil.

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Answer:

A. The bacterium takes in carbon dioxide, water, and solar energy. It then synthesizes these into fuel for itself, releasing oxygen as a byproduct.

Explanation:

Answer: B

Explanation:

produce proteins for the cell

Answer:

B. produce proteins for the cell

Explanation:

Just got it right on edge 2020

The hydrologic cycle is a process by which water circulates through the Earth's atmosphere, oceans, and land, linking them in a continuous cycle.

During this cycle, water moves between the oceans, land, and atmosphere through evaporation, precipitation, transpiration, runoff, infiltration, and storage. The hydrologic cycle is an essential process for the Earth's ecosystems, as it distributes freshwater and supports life on the planet.

Q3: Do you think the reservoir gains or loses water?

A reservoir can gain or lose water depending on the balance between the amount of water entering and leaving the reservoir. If the inflow is greater than the outflow, the reservoir will gain water, and if the outflow is greater than the inflow, the reservoir will lose water.

Q4: How much?

The amount of water gained or lost by a reservoir will depend on various factors such as the size of the reservoir, the amount of precipitation, evaporation, and human use. Therefore, it is not possible to provide a specific value for the amount of water gained or lost by a reservoir without considering these factors.

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Answer:

The Huronian Supergroup is particularly exciting and interesting because, by chance, these rocks were laid down at a period when the atmosphere underwent a transition from containing no free oxygen to containing at least some free oxygen."

Explanation:

Answer:

Bb, Bb, bb, bb
Blue and pink

Explanation:

   B       b

b  Bb    bb

b  Bb    bb

The genotypes of their offsprings are: Bb, Bb, bb, bb

Since you would need to have at one B to receive blue fur, there is a 50% chance that their offsprings with be blue and a 50% chance that there offsprings will be pink.

Answer: As climate change alters temperature and weather patterns, it will also impact plant and animal life. Scientists expect the number and range of species, which define the biodiversity, will decline greatly as temperatures continue to rise. The loss of biodiversity could have many negative impacts on the future of ecosystems and humanity worldwide.  HOPE IT HELPS!!

Neurotransmitters are the substances which act as signaling molecules in the body. Many drugs mimic these neurotransmitters by activating different cells in the body.

A neurotransmitter is a signaling molecule which is secreted by a neuron to affect another cell or neuron across a synapse. The cell receiving this signal, any main body part, or the target cell, may be another neuron, however they could also be a gland or muscle cell.

Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters in the nervous system. Some drugs, such as marijuana and heroin, can activate neurons in the body because their chemical structure mimics that of a natural neurotransmitter present in the body. This allows the drugs to attach onto and activate the neurons.

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The substance do cells need to get energy from food is Oxygen .

The correct option is D.

In general , Without oxygen, the process of cellular respiration cannot proceed, and the cell will not be able to produce ATP and generate energy. In the absence of oxygen, cells can still produce energy through a process called fermentation, but this process is less efficient and produces less ATP.

Also, Cellular respiration takes place in the mitochondria, which are organelles within the cell responsible for energy production. During cellular respiration, glucose is broken down into ATP through a series of chemical reactions that release energy. The reactions require oxygen to proceed and produce carbon dioxide as a waste product.

Hence , D is the correct option

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Answer:

A. I, IV, II, III, I

Explanation:

Living system can be defined as the internal systems of organisms and how materials circulate within organisms.

Generally, these living systems are self-organized life forms and are known to be very much interactive with their surroundings or environment. Also, living systems are dependent on the flow of information, matter and energy at various levels.

Some examples of living systems in organisms are respiratory system, nervous system, digestive system, and circulatory system.

Additionally, living systems comprises of the following components; cells, organs, muscle, tissues, blood, etc., which are typically used for carrying out various bodily functions such as respiration, metabolism, digestion, etc.

A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.

Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes.

Generally, the nervous system found in living organisms such as humans, comprises of two (2) major components or systems; a central nervous system (CNS) and a peripheral nervous system (PNS).

The correct sequential order for the transmission of a signal through the nervous system;

1. Nerve impulse is triggered.

2. Synaptic vesicles release neurotransmitters.

3. Neurotransmitters diffuse across synaptic cleft.

4. Receptors bind neurotransmitters.

5. The whole process is started all over again when the nerve impulse is triggered.

Answer:

A. I, IV, II, III, I

Explanation:

so, an example of something that might not be a substrate is the animal itself.

explanation

substrate is the surface of where living animals, live.

sorry if this doesnt help.

HAPPY ALMOST HALLOWEEN

Answer:

The functions and responsibilities of SETAs are set out in Chapter 3, section 10 the Skills Development Act, 1998. Their main function is to contribute to the raising of skills, to bring skills to the employed, or those wanting to be employed, in their section.

Explanation:

The SETAs plays a vital function for post school learners students due to development of skills.

The main function SETAs is to contribute to the raising of skills, to bring skills to the employed, or those wanting to be employed in their fields. It plays a vital function for learners due to development of skills so we can conclude that the SETAs plays a vital function for post school learners students due to development of skills.

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Answer:

giraffes necks consists a tall bone like structure called notochord which gives support to the skeletal system like how do we have backbone

Answer:

Natural Selection and Homologous Structure.

Explanation:

Most cellular oxidations are carried out by the mitochondrion, which also generates most of the ATP in animal cells. Numerous different enzymes, such as those that use pyruvate and fatty acids to make acetyl CoA and those that use the citric acid cycle to oxidize this acetyl CoA to CO2, are found in the mitochondrial matrix.

A mitochondrion is an organelle that may be found in the cells of the majority of eukaryotes, including animals, plants, and fungi. Adenosine triphosphate (ATP), which is produced by aerobic respiration in mitochondria and used as a source of chemical energy throughout the cell, is produced by mitochondria using their double membrane structure.

They were found in the voluntary muscles of insects by Albert von Kölliker in 1857. Carl Benda first used the word "mitochondrion" in 1898. The phrase "powerhouse of the cell" was popularized by Philip Siekevitz in a 1957 essay of the same name and is often used to refer to the mitochondrion. [

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Two NADH are generated from glycolysis, and it takes place in the cytoplasm. The answer is d. 2; cytoplasm.

Glycolysis is a metabolic pathway in which two molecules of pyruvate, a three-carbon compound, are made from one molecule of glucose.

This happens through a series of enzymatic reactions. The process also yields ATP and NADH.

Two molecules of NADH are generated from glycolysis, and they are produced in the cytoplasm.

Glycolysis is the process of breaking down glucose, which happens in the cytoplasm of cells.

There are ten steps in the process, which can be split into two different parts. The first five reactions of glycolysis, which need ATP, are called the energy investment phase.

The last five reactions make ATP and NADH. This is the energy-making phase.

Therefore, the answer is d. 2; cytoplasm.

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Answer:

Amino acid cells

Explanation:

Protein is produced in cells amino acids go to DNA then RNA

Answer:

organic matter

Explanation:

I had it on my test; the other person's answer is incorrect.

When fossil fuels and biofuels are burned, the stored energy in organic matter is related to generate electricity.

Anything which actually contains carbon compounds made by living things is considered to be organic matter.

An extracted or consumed fossil fuel would be a hydrocarbon-containing substance that naturally originated in the earth's crust out of remains of extinct plants and animals.

Therefore, when fossil fuels and biofuels are burned, the stored energy in organic matter is related to generate electricity.

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fluid is filtered out of the bloodstream into the surrounding interstitial fluid at the arteriole end of systemic capillaries because of hydrostatic pressure and osmotic pressure.

At the arteriole end of systemic capillaries, the blood pressure inside the capillaries (hydrostatic pressure) is higher than the pressure in the interstitial fluid. This hydrostatic pressure pushes fluid out of the capillaries and into the interstitial space. Additionally, there is also a difference in solute concentration between the blood and interstitial fluid, creating an osmotic pressure gradient. The osmotic pressure is created by the presence of proteins, particularly albumin, in the blood. These proteins exert an osmotic force that draws water back into the capillaries. However, at the arteriole end, the hydrostatic pressure is higher than the osmotic pressure, resulting in a net movement of fluid out of the capillaries. Overall, the combination of higher hydrostatic pressure and relatively lower osmotic pressure at the arteriole end of systemic capillaries leads to the filtration of fluid from the bloodstream into the interstitial fluid.

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Answer:

10N to the right

Explanation:

He pushed it to the right and there is no other force against it