What is a long chain of amino acids called?

A. Kinetic: Kinetic energy is the energy of motion, such as moving muscles or flowing blood, and is not stored energy.

B. Effective: “Effective energy” is not a standard classification in physics or biology; it does not specifically describe stored energy.

C. Energy: Energy is a general term and does not differentiate between stored and active forms.

D. Potential: Potential energy is stored energy that has the capacity to do work in the future, such as chemical energy in bonds, a stretched spring, or gravitational energy in elevated objects.

A. Detoxification of certain chemicals, such as drugs or pesticides: The smooth endoplasmic reticulum contains enzymes that modify and detoxify harmful substances, making them easier for the body to eliminate.

B. Protein synthesis in conjunction with ribosomes: Protein synthesis is primarily associated with the rough endoplasmic reticulum, which has ribosomes attached. The smooth ER does not participate directly in protein synthesis.

C. Lipid metabolism and cholesterol synthesis: The smooth ER is the main site for lipid and steroid hormone synthesis, including cholesterol, supporting membrane production and cellular signaling.

D. Breakdown of stored glycogen to form free glucose: The smooth ER in liver cells contains enzymes that catalyze glycogen breakdown, contributing to glucose release into the blood to maintain energy homeostasis.