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lakkis [162]
2 years ago
13

Enzymes are biological catalysts. Explain what they do in living systems

Biology
1 answer:
Marizza181 [45]2 years ago
7 0

An enzyme lowers the activation energy of a reaction so it can take place within living organism, so an enzyme is a biological catalyst.

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How does oxygen move through the blood?
Bond [772]

Answer:

Attached to hemoglobin.

Explanation:

The oxygen is important for the cellular functioning of cell. The carbon dioxide must be move out of the cell and oxygen should reach to each and every cell of the body.

Hemoglobin molecule has the ability to binds with the four molecules of oxygen. The oxygen moves in the body by binding with the hemoglobin molecules present inside the red blood cells.

Thus, the correct answer is option (a).

3 0
3 years ago
Ten-year-old All has a ring-shaped fungal skin infection on his leg. His doctor asks his mother whether anyone else in the house
ira [324]

Answer:

I believe it is B, direct contact

Explanation:

Ali most likely wasn't eating food that the dog had contaminated, nor was it likely that a mosquito first bit the dog and then Ali. This leaves A and D, and A seems to be more likely.

Apologies if I am incorrect.

4 0
3 years ago
How should you test a hypothesis?
ddd [48]
By experimenting
hope this helps!!!


5 0
2 years ago
Which statement best supports the theory of continental drift?
KatRina [158]

Answer: I would say its probably A I'm not sure but that might be it

Explanation:

7 0
3 years ago
A certain plant has a color that can range from green to yellow. Some plants are very green, and some are very yellow, but most
nataly862011 [7]
Because there are not strictly green and yellow plants, this means that the color can be affected by multiple genes. If it was only affected by one gene then you would see only the two groups for the color, green and yellow. The answer is D
<span>There are several genes that control the color. </span>
5 0
2 years ago
Read 2 more answers
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