The Activity of Protein Kinase a Is Affected by Which

question 41

Multiple Choice

The activity of protein kinase A is affected by which of the following?
(I) caffeine
(II) levels of cAMP
(III) phosphodiesterases
(IV) cholera toxin

• A)I only
• B)II only
• C)I,IV
• D)I,II,III
• E)I,II,III,IV

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Definitions:

Tilt

The inclination of an object, layer, or surface, often measured in degrees from the horizontal plane.

Glaciers

Large masses of ice that form on land from the accumulation and compaction of snow, moving slowly over time.

Seasonal Effects

The variations in natural or social phenomena that occur at specific times of the year due to Earth's changing position relative to the sun.

Isotopes

Variants of a particular chemical element that have the same number of protons but different numbers of neutrons.