What Are Grana

question 12

Multiple Choice

What are grana?

• A)thick fluids inside chloroplasts
• B)convolutions of the inner chloroplast membrane
• C)stacks of membranous sacs
• D)pigments found in chloroplasts

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Definitions:

Serotonin

A neurotransmitter involved in many functions, including mood regulation, digestion, and sleep.

Deoxyribonucleic Acid

A molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.

Chromosomes

Thread-like structures in cells made of DNA and proteins that carry genetic information.

Behavior Geneticists

Behavior geneticists are scientists who study the role of genetics in human behavior, including how genetic and environmental factors influence individual differences.