Which of the Following Is a Step in a PCR

question 4

Multiple Choice

Which of the following is a step in a PCR?

• A) DNA is cooled to a temperature at which the hydrogen bonds holding the strands break.
• B) The primers anneal to the complementary sequences on the template DNA.
• C) DNA gyrase enzyme relieves the supercoiling ahead of the replication fork.
• D) The DNase I synthesizes a new strand of DNA that is complementary to the template DNA.

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Definitions:

Systematic Desensitization

A therapeutic intervention aimed at reducing an individual's anxiety responses through gradual exposure to the feared object or situation, along with relaxation techniques.

Relaxation Training

A therapeutic technique designed to help individuals learn to reduce stress and anxiety through specific physical exercises and controlled breathing.

Assertiveness Training

A behavioral therapy technique designed to help individuals clearly and confidently express their needs and rights without infringing on the rights of others.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.