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nata0808 [166]
3 years ago
13

Free points :)

Biology
2 answers:
Reptile [31]3 years ago
7 0
Thank you :), I really needed that, everything has just been going down lately
lilavasa [31]3 years ago
3 0

Answer:

You are such an amazing person for putting these questions thanks for such being a supportive person and I want to say sorry again for being rude I shouldnt of been rude to such an amazing person like u :) People like u make others so happy just reading the questions u make

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Following repolarization, the neuron may become slightly hyperpolarized before it re-establishes its resting membrane potential.
RoseWind [281]
<h2>Membrane potential </h2>

Explanation:

  • Membrane potential represents charge difference across the membrane, all biological cells are negative inside (cytoplasm) and positive outside (due to difference in ionic distribution)  
  • In a typical neuron cell membrane potential of cytoplasm is negative at rest (when no stimulus is applied) hence called resting membrane potential
  • Resting membrane potential of excitable cells is established by Na+ and K+pump
  • Repolarization starts with the efflux of K+ by the opening of voltage gated K+ channels
  • Voltage gated K+ channels starts to open when voltage gated Na+ channels becomes inactive
  • Hyperpolarization occurs due to excessive efflux of K+ by voltage gated K+ channels
  • Additional efflux of K+ occurs due to slow inactivation of voltage gated K+ channels
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What was the purpose of the vinegar In the third trial?
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A)test the effect of raising Ph on enzyme action

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The genetic code is thought to have evolved to maximize genetic stability by minimizing the effect on protein function of most s
Nikitich [7]

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The six codons for arginine are the following:

GCA, GCG, GCT, GCC, TCT, TCC

A) Considering the individual bases in each codon, three mutations are possible at each base position. Hence, 3 × 3 × 6 = 54 mutations are possible.

B) Considering the mutations at the 3rd base: 3 × 4 + 1 × 2 = 14 of these mutations are silent mutations.

C) Lysine codons are the following:

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There are two possible mutations that can give a lys codon.

Hope that answers the question, have a great day!

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An animal that has thick fur, webbed flippers and blubber to keep it warm would probably live in which of the following biomes:
pav-90 [236]

Answer:

d

Explanation:

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Explain how moving water can cause erosion. PLEASE HELP!!
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Rainfall can cause erosion both when the rain hits the surface of the Earth, called splash erosion, and when raindrops accumulate and flow like small streams. Rivers can create a significant amount of erosion over time. They break up particles along the river bottom and carry them downstream. One example of river erosion is the Grand Canyon which was formed by the Colorado River. Ocean waves can cause the coastline to erode. The shear energy and force of the waves causes pieces of rock and coastline to break off changing the coastline over time. Large floods can cause erosion to happen very quickly acting like powerful rivers.
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