Which Is True About Glycogen Phosphorylase in Liver and Muscle

question 15

Multiple Choice

Which is true about glycogen phosphorylase in liver and muscle?

• A)They are identical and activated in the same way.
• B)In liver glucose is an inhibitor;glucose is not an inhibitor in muscle.
• C)The liver enzyme is activated by phosphorylation,but the muscle version is activated by proteolytic cleavage.
• D)Glycogen phosphorylase is found only in liver,there is none in muscle tissue.

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Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, often used as a measure of variability.

Confidence Interval

An extent of values, based on sample statistics, that is likely to capture the essence of an undisclosed population parameter.

Sample

Subset or portion of a population.

Mean

The average value of a data set, obtained by dividing the sum of all the values by the number of values.