Question

Which statement is true about chemical reactions in a metabolic pathway?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
A single enzyme typically catalyzes all of the reactions in a given metabolic pathway.

(Choice B)
B
Each reaction in a metabolic pathway uses the same reactants, but yields different products.

(Choice C)
C
Atoms are rearranged during the chemical reactions in a metabolic pathway.

Answer 1

Answer:

Chemical reactions are defined as the reactions between reactants to yield products. The chemical reactions can sometimes require catalysts such as chemicals and enzymes to speed up the process. The metabolic pathway in the human body is a series of chemical reactions, which can either be catabolic or anabolic. Hence, the correct answer is C. Atoms are rearranged during the chemical reactions in a metabolic pathway.

Explanation:

The metabolic pathway comprises metabolites, which are reactants, products, or intermediates that modify or rearrange themselves in a series of chemical reactions. The metabolic pathway, for example, glycolysis is a series of chemical reactions in which glucose is converted into pyruvate. The pathway involves several different enzymes to facilitate the conversion. Thus, in each step of a pathway, the reactant or the atoms of a substance are rearranged to form the product.

Answer 2

The true statement about chemical reactions in a metabolic pathway is ;

• Atoms are rearranged during the chemical reactions in a metabolic pathway ( C )

Chemical reactions in a metabolic pathway involves a series of chemical reactions whereby in each step of the chemical reaction the reactants are rearranged to form a product.

In a metabolic pathway each step of chemical reaction is catalyzed by a different catalyst . an example of a chemical reaction occurring in a metabolic pathway is ;  Glycolysis

Glycolysis involves series of chemical reactions ( metabolic pathway) whereby glucose is converted into pyruvate, hydrogen ions and water molecules and each step of chemical reaction involves a different enzyme.

Hence we can conclude that the true statement about chemical reactions in a metabolic pathway is Atoms are rearranged during the chemical reactions in a metabolic pathway.

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