The Two Strands of a DNA Molecule Are Held Together

question 53

Multiple Choice

The two strands of a DNA molecule are held together by ________ bonds between their base pairs.

• A) hydrogen
• B) amino acid
• C) phosphate
• D) protein

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Definitions:

Catatonia

A behavioral syndrome marked by an inability to move normally, which can include symptoms such as stiffness, mutism, and stupor.

Immobility

The state or condition of being unable to move or be moved, often referring to physical restriction or lack of motion.

Agitation

A state of nervous excitement or anxiety, often displayed through restless or excessive movement.

Norepinephrine

A neurotransmitter and hormone involved in the body’s fight or flight response, influencing heart rate, blood pressure, and sugar metabolism.