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Nesterboy [21]
3 years ago
14

Which is true about enzymes? Question 20 options: They act on nonspecific, randomly chosen substrates. After a reaction, they ca

nnot be reused. They can speed up metabolic processes in the body. They cannot change shape.
Biology
1 answer:
alexdok [17]3 years ago
4 0

Answer:

They can speed up metabolic rate in the body.

Explanation:

Enzyme generaly lower activation energy of the substrate so that the rate of chemical reaction cam be increased.

This characteristics of enzymes makes them to be called organic catalysts.They are responsible for aiding fast completion of most biochemical activities in living organisms.

They usually react with specific substrates with their specific Active sites.

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The answer is:

Echinodermata

The word echinodermata is Greek which literally means "Spiny Skin". Echinodermata is a phylum under kingdom animalia. Not all of them have spiny skins, but most of them do. Other characteristics would be their radially symmetric body. They have appendages that grow outward from the center. Examples of echinoderms would be sea stars and sea urchins.

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A chromosome consists of a single, double-stranded DNA molecule. Chromatids are two molecules of double-stranded DNA joined together in the center by a centromere. Chromosomes have a thin ribbon-like structure. Chromatids have a thin and long fibrous structure.

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2 years ago
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Y_Kistochka [10]

Answer:

Ok... thanks for the points

Explanation:

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Irina18 [472]

Answer:

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Goryan [66]

Answer:

D is rhe answer of rhis question.

Explanation:

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