Which of the following are NOT true about enzymes? (Choose the three statements that are NOT TRUE) * Enzymes can denature (change shape) when exposed to extreme conditions.

Enzymes add extra energy to chemical reactions.

Enzymes are used up in chemical reactions, they cannot be reused.

Enzymes are a type of protein.

Enzymes reduce the amount of activation energy needed to start a reaction.

An enzyme's function is not related to its shape.

Explanation:

Firstly, enzymes do not add extra energy to chemical reactions. The heat energy can come as a burning fuel or from the surroundings.

Secondly, enzymes can be recycled and reused for the same type of reactions, provided that it has not denatured.

Lastly, the shape of an enzyme defines the enzyme's function. It is an important characteristic to identify what type of processes the enzyme can speed up.

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hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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