What Is the Need for a Primer Strand in DNA

question 64

Multiple Choice

What is the need for a primer strand in DNA replication?

• A) it ensures the fidelity of the newly synthesized DNA strand
• B) the DNA polymerases require a preexisting strand with a nucleotide having a 3' − OH
• C) the DNA polymerases require a preexisting strand with a nucleotide having a 5' − OH
• D) it ensures the integrity of the new DNA

---

Definitions:

Attentional Capture

A phenomenon in which certain stimuli seem to “pop out” and require a person to shift cognitive resources automatically to them.

Perceiver's Goals

The aims or objectives that influence how a person perceives and interprets information from the environment, shaping attention and perception.

ERP Task

A method in neuroscience that measures the brain's electrical activity response to a specific sensory, cognitive, or motor event.

Amplitude Responses

The degree of change or variation in a signal's strength or intensity, typically measured in relation to a response or output.