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seropon [69]
2 years ago
12

What type of feedback is used to

Biology
1 answer:
lidiya [134]2 years ago
3 0

Answer:

B

Explanation:

negative feedback is used to regulate feedback

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The transfer of energy from one organism to the next in an ecological community is called a?
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A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reac
vredina [299]

Answer:

A- A pH change can cause the enzyme to change its shape

Explanation:

A rise or fall in the pH of the medium from the optimum of pH 7 usually affect  the  enzymes' active sites  of  and therefore the  shape and  the  rate of enzyme activity.

Assuming  the pH is too low, the enzyme medium becomes acidic;Acidosis. The high Hydrogen ions concentration  interacts with the R-groups of the amino acids moiety of the enzymes, this interaction affects the ionization of the  R-groups, disrupting the ionic bonding holding these R-groups in shape.

This results in loss of the 3-Dimensional shape arrangements of the protein molecule  and therefore of the active sites. Since active sites of  enzymes  determines the specificity of the <u>enzymes substrate- complex </u> to give <u>enzyme-product complex,</u> the catalytic activity of the enzymes decreases, <u>the rate of  reaction decreases,and products formation stops, and the reaction also stops.</u>

The same is applicable to extremely high pH=Alkalosis.

However, the effective buffer system of the body prevents this scenarios from happening in real sense in the body. Through mopping by the  haemoglobin, excretion by the kidney, etc

7 0
3 years ago
Gene therapy is a form of __________
Katarina [22]
Experimental technique I believe
6 0
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Individuals with obesity spend ___% more on health care costs and ___ % more on medications per year than individuals of normal
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Answer;

- 40% ; 20%

Obese workers spend nearly 40% more on health care than normal weight adults, adds about 20 percent to healthcare spending.

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-Costs for patients presenting at emergency rooms with chest pains are 41 percent higher for severely obese patients, 28 percent higher for obese patients and 22 percent higher for overweight patients than for healthy- weight patients.

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