In a PCR Reaction, a Few Seconds at High Temperature

question 20

Multiple Choice

In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molecule of DNA unwinds and becomes single-stranded.​

• A) covalent bonds​
• B) ​peptide bonds
• C) ​hydrogen bonds
• D) ​lipoproteins
• E) ​DNA ligases

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Definitions:

Hallucinations

Hallucinations are sensory perceptions that appear real but are created by the mind, without an external stimulus, affecting vision, hearing, or other senses.

Delusions

Fixed false beliefs that are resistant to reason or confrontation with actual fact, often observed in psychiatric conditions.

Coma

A state of unconsciousness in which the person shows no response to maximum painful stimuli, absence of reflexes, and absence of muscle tone in the extremities.

Traumatic Brain Injury

Damage to the brain caused by an external physical force, leading to temporary or permanent impairments in cognitive, physical, or emotional functioning.