An Alternative Repair System by Error-Prone Translesion DNA Synthesis Can

question 9

Multiple Choice

An alternative repair system by error-prone translesion DNA synthesis can result in a high mutation rate because:

• A) alternative modified nucleotides can be incorporated more readily.
• B) interference from the RecA and SSB proteins hinders the normal replication accuracy.
• C) replication proceeds much faster than normal, resulting in many more mistakes.
• D) the DNA polymerases involved cannot facilitate base-pairing as well as DNA polymerase III.
• E) the DNA polymerases involved lack exonuclease proofreading activities.

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Definitions:

Cyclothymic Disorder

A mood disorder characterized by chronic, fluctuating mood disturbance involving numerous periods of hypomanic symptoms and periods of depressive symptoms.

Mood Swings

Dramatic fluctuations in a person's emotional state, often seen in various mental health conditions but can also occur in the general population.

Manic Episodes

Periods of abnormally elevated mood and energy levels, often found in bipolar disorder, that can affect behavior and functioning.

Bipolar I Disorder

A mental health condition characterized by extreme mood swings that include emotional highs (mania) and lows (depression).