How Many Different Types of Nucleotides Are Found in DNA

question 50

Multiple Choice

How many different types of nucleotides are found in DNA?

• A) 3
• B) 4
• C) 10
• D) 20
• E) Each nucleotide is different.

---

Definitions:

Piaget's

Referring to the theories of cognitive development proposed by Jean Piaget, which describe how children's abilities to think and reason develop through distinct stages.

Cellular-Clock Theory

A theory suggesting that aging is the result of cells hitting a limit on the number of times they can replicate, often tied to the length of telomeres.

Cells

Basic structural and functional units of all living organisms, essential for life processes.

Dividing

The act or process of separating or partitioning something into parts or portions.