Chemicals carried by the bloodstream in animals (or the sap in plants) that affect the activity of cells that recognize them. They also carry the cells signals from one part of the body to another.

ENZYMES AND METABOLISM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Chemicals carried by the bloodstream in animals (or the sap in plants) that affect the activity of cells that recognize them. They also carry the cells’ signals from one part of the body to another.

A	hemoglobin
B	platelets
C	leptos
D	hormones

Explanation:

Detailed explanation-1: -Hormones: Hormones are regulatory substances which are produced in an organism and transported in tissue fluids like blood or sap, stimulating specific cells or tissues into action.

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AP BIOLOGY

BIOCHEMISTRY

ENZYMES AND METABOLISM