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tankabanditka [31]
2 years ago
14

Explain how hyperpolarisation occurs in an axon cell (4 marks)​

Biology
1 answer:
shusha [124]2 years ago
6 0

Answer: Hyperpolarization occur when ion channels in the membrane open or close, altering the ability of particular types of ions to enter or exit the cell. For example: The opening of channels that let positive ions flow out of the cell (or negative ions flow in) can cause hyperpolarization.

Brainliest pls if it is correct!

<h2> ૮₍˶ •. • ⑅₎ა ♡</h2>
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What is the greatest danger to a patient who has had damage to the skin​
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Explanation:

What is the greatest danger to a patient who has had damage to the skin? excessive muscle contractions in the damaged area loss of oils produced by the skin infections in uncovered tissues damaged tissues entering the blood stream?

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3 years ago
Brown fur is dominant to white fur in mice. in a population of mice, 64% have brown fur and 36% have white fur. based on these f
tester [92]

<span>a.       </span>The frequency of the dominant allele: ___0.4______

<span>b.      </span>The frequency of the recessive allele: ____0.6_____

<span>c.       </span>The percentage of mice that are homozygous dominant: __16%_______

<span>d.      </span> The percentage of mice that are heterozygous: _48%________

<span>e.      </span>The percentage of mice that are homozygous recessive: __36%_______

 

Let us assign the dominant allele (that of brown hair) letter R while

We assign the recessive allele (that of white hair) letter r

We then note down the Hardy-Weinburg equation p2 + 2pq + q2 = 1

Brown fur population (p2 + 2pq) = 64% = 0.64

White fur population (q2) = 36% = 0.36

Then we also remember that the frequencies of both allele add up to 1 (p + q = 1);

Therefore q = ü.36 = 0.6

P = 1 – q = 1 – 0.6 = 0.4

The heterozygous population will be 2*0.6*0.4 = 0.48 =  48%

Homozygous domain population will therefore be (64% - 48%) = 16%






6 0
3 years ago
If a plant cell is placed in hypotonic solution, it becomes
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Answer:

I don't know

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can you help me with this question The following lines from Frost's "The Road Not Taken" indicate what about the Speaker? Line 2: And sorry I could not travel both Line 3: And be one traveler long I stood A. The spaaker is waiting for someone TOT a long time ("long I stood"). B The speaker is traveling by himself- just "one traveler." C. The speaker is sorry he can't travel both roads

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The answer is A! Hope that I helped you and have a great day

Explanation:

Remember you are a very smart and special individual

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