An Important Mineral Ion That Is a Component of Chloroplasts

question 62

Multiple Choice

An important mineral ion that is a component of chloroplasts and stabilizer of membranes and ribosomes is:

• A)iron.
• B)zinc.
• C)calcium.
• D)magnesium.
• E)potassium.

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Definitions:

Scapula

A flat, triangular bone located at the back of the shoulder, also known as the shoulder blade.

Dislocated Shoulder

A condition where the head of the upper arm bone is displaced from the shoulder socket, causing pain and immobility.

Scapula

A flat, triangular bone located in the upper back, part of the shoulder girdle.

Humerus

A long bone in the arm or forelimb that runs from the shoulder to the elbow.