What Are Nucleotides

question 43

Multiple Choice

What are nucleotides?

• A) enzymes that copy DNA
• B) molecules that make up the information contained in DNA
• C) molecules that consist of a sugar,a protein,and a base
• D) molecules around which chromosomes coil
• E) enzymes that split DNA apart so that the DNA can be copied

---

Definitions:

Recurrent Heart Attacks

Experiencing multiple episodes of myocardial infarction, which is the interruption of blood supply to a part of the heart, causing heart cells to die.

Mortality

The state of being subject to death; often used in statistics to refer to the rate of death in a population.

Catecholamines

A class of neurotransmitters that includes dopamine, norepinephrine, and epinephrine, playing important roles in the body's stress response and emotional arousal.

Cytokines

Small proteins that are important in cell signaling. They are released by cells and affect the behavior of other cells, and sometimes the releasing cell itself.