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lukranit [14]
3 years ago
13

Explain what happens when a neuron is at rest?

Biology
1 answer:
kirill115 [55]3 years ago
4 0
The resting membrane potential of a neuron<span> is about -70 mV (mV=millivolt) - this means that the inside of the </span>neuron<span> is 70 mV less than the outside. At </span>rest, there are relatively more sodium ions outside theneuron<span> and more potassium ions inside that </span>neuron<span>.</span>
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Describe some of the health benefits of muscle fitness.
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- It can help prevent muscle injuries and muscle soreness
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- Muscle strength helps prevent some health problems
- strengthens bones
- keeps the heart and other parts of the body healthy
5 0
4 years ago
A human cheek cell's cycle is 24 hours. The stages within the cell cycle vary in length. G1 phase - 11 hours, G2 phase - 4 hours
aleksklad [387]

Answer:

answer is c

Explanation:

The cell needs a lot of preparation and checks in G1, S and G2 to do mitosis. especially in the G1 phase which is the longest phase. It is explained by the fact that the cell should "rest and recover" after the last mitosis before getting into the second one

7 0
2 years ago
Seema knows the mass of a basketball. What other information is needed to find the ball’s potential energy?
evablogger [386]
I think this is actually a physics question- 
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Hope this helps :)
8 0
4 years ago
what determines the difference in speed of contraction of the different types of skeletal muscle cells?
zhuklara [117]

Muscle fibers can be divided into two general categories: Category I, which is sluggish, and Type II, which is quick.There are three primary fiber types in type II, which is further divided into type IIA (oxidative) and type IIX (glycolytic).These fibers exhibit comparatively unique features in terms of metabolism, contractility, and motor units.

<h3>Which cell types make up skeletal muscle?</h3>

These cells to make up muscular tissue are referred to as myocytes, or muscle cells.The human body contains three different types of muscle cells: cardiac, skeletal, or smooth.

<h3>How many different types of cells exist?</h3>

Your body has roughly 200 different kinds of cells.These cells help to build your tissues and organs as well as your immune system, which works to protect your body.Your body regularly replaces its dead cells with new ones.

To know more about  speed of contraction visit:

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3 0
1 year ago
perspective that our genes and environmental influences work together to determine our characteristics
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Environmental factors often influence traits independently of genes. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

How do environment and gene determine our personality?

Some genes increase the characteristic and others work to decrease the same characteristic-complex relationship among the various genes, as well as a variety of random factors, produce the final outcome.

Because of their genetic makeup, individuals differ in their responsiveness to the qualities of the environment. There are unique, genetically influenced reactions to particular experiences to which we are exposed.

The presence of drugs and chemicals in an organism's environment can also influence gene expression in the organism. The environment can affect morphological and physiological development whereas genes influence morphology and physiology, creating a framework within which the environment acts to shape the behavior of an individual.

Hence in this way, genes and environmental influences work together to determine our characteristics.

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4 0
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