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AveGali [126]
3 years ago
8

What is true of the bottom layer of the ocean? Choose the two correct answers. A. It has the coldest water B.it has the lowest s

alinity C.it has no sunlight D.it has no conductivity E.it has no living things
Biology
1 answer:
adoni [48]3 years ago
3 0

Answer:C.it has no sunlight

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Microorganisms in soil _______. a. are critical to soil health b. carry out decomposition c. make nutrients available to plants
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D) all of the above

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The answer would be the last one, he is examining the physical characteristics. Why this is correct is because physical characteristics are visible to the naked eye and therefore everything he stated was just that, including color and shape/design

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TRUE OR FALSE?
Kamila [148]
I believe this would be true
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Territorial animals like spiders that fight off intruders would be expected to be _______. a. regularly distributed b. randomly
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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.

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