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Minchanka [31]
3 years ago
8

HELP! If a person has sickle cell anemia, about 50% of their red blood cells will be sickle shaped. But, this is due to a mutati

on in the hemoglobin gene which affects the shape of some of the cells. What percentage (%) of the cells in their body will have the abnormal and nonfunctional hemoglobin gene? Why did you choose that number?
Biology
1 answer:
solong [7]3 years ago
7 0

Answer:

it may be the answer

With less oxygen, the abnormal hemoglobin S gene can cause rigid, nonliquid protein strands to form within the red blood cell. These rigid strands can change the shape of the cell, causing the sickled red blood cell that gives the disease its name.

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<u>Answer</u>:- Active transport

<u>Explanation</u>:-

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2. Active transport- this type of transport takes place to move the molecules against the concentration gradient that is from <em>low concentration to high concentration.</em>

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2.<em>Secondary active transport</em> - in this type of transport the gradient formed by the active transport is utilized and it involves the movement of 2 substances at a time aross the membrane. That is the movement of one molecule is coupled to another.


  • The membrane proteins that are associated with active transport are called as <em>carrier proteins</em>. These proteins have a binding site for the molecules that they transport. Once they bind to the specific molecules, a conformation change is induced and this leads to the transport of the molecule across the membrane.

So, the <em>active transport is basically responsible for utilizing the energy from ATP and carrier proteins to move the substances across the membrane against their concentration gradient i.e. from low concentration to high concentration.</em>

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Spider plants can reproduce both sexually and asexual......
Lerok [7]

Answer:

I feel like B is the correct answer

Explanation:

B is correct

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