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solong [7]
3 years ago
14

What happen at the synapse between two neurons?

Biology
1 answer:
IceJOKER [234]3 years ago
4 0
When a nerve impulse reaches the end of the first neuron (presynaptic terminal), various neurotransmitters are released from the same, into the area between the two neurons, called as a synaptic cleft. From synaptic cleft, these neurotransmitters are picked up the postsynaptic terminal of the second neuron, which leads to an impulse.
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Why are reduction division and haploid gametes important?
prisoha [69]

Answer:

This is in order to maintain the species number of chromosomes.

Explanation:

Reduction division occurs by meiosis and it is very necessary in organisms that reproduce sexually.

Meiosis will take place in the ovary and testis to produce haploid gametes that have half the number of chromosomes compared to the parent cell .

During fertilization the two gametes will fuse to form the offspring an offspring with the same number of chromosomes as the parent. The species number of chromosome has been maintained.

Without meiosis or reduction division the off-springs would have double the chromosomes as the previous generation did.

4 0
3 years ago
Identify the difference between the distance she walked and her displacement
myrzilka [38]

The change in position from beginning to end and the direction taken is referred to as displacement.

<h3>What is Distance?</h3>

This used to measure how far or close objects are in relation to one another.

Displacement on the other hand has the direction being taken into consideration which is the major difference.

Read more about Displacement here brainly.com/question/321442

#SPJ1

3 0
2 years ago
20. What is the difference between adaptation<br> and evolution?
Artemon [7]

Answer:

Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.

4 0
3 years ago
Read 2 more answers
Human activity can be very disruptive to an
tino4ka555 [31]

Answer:

<h2>It should be secondary</h2><h2>Explanation:</h2>

Only part of the forest was cut down.

4 0
3 years ago
Put the following structures in order of superficial to deep based on their descriptions:
AleksandrR [38]

Answer:

The right order is 3, 1, 2.

Explanation:

The most superficial layer is 3, which describes the Cornea. This layer, which is first hit by light, is made of transparent and resistant fabric. It protects the eyeball from trauma and contamination and helps shape the globe and refract light.

Then, the layer described as 1 is the pigmented part that has melanocytes, which may be the uvea that consists of the whole of the iris, choroid membrane and ciliary processes.

Finally, the deepest layer in this question describes the lens, which is a gelatinous biconvex lens. This important structure enables the eye to focus on objects.

6 0
4 years ago
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