Lactose Permease Uses a ___________ Gradient Generated ______ to Cotransport

question 21

Multiple Choice

Lactose permease uses a ___________ gradient generated ______ to cotransport lactose across the cell membrane.

• A)potassium;via the Na⁺/K⁺ pump
• B)potassium;via oxidative metabolism
• C)proton;via the Na⁺/K⁺ pump
• D)proton;via oxidative metabolism
• E)chloride;within the intestinal lumen

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Definitions:

One-tailed Hypothesis

A statistical hypothesis test where the region of rejection is on only one side of the sampling distribution.

Nondirectional Hypothesis

A type of hypothesis that specifies that a difference or relationship exists, but does not predict the direction of the difference or relationship.

Two-tailed Hypothesis

A hypothesis test that allows for the possibility of a relationship in both directions, not specifying the direction of the relationship.

Invalid Hypothesis

A hypothesis that is disproven or found to be incorrect based on evidence or statistical analysis.