The Polar Transport of Auxin in a Seedling

question 39

Multiple Choice

The polar transport of auxin in a seedling

• A)occurs in parenchyma cells.
• B)uses passive membrane transporters to move auxin in and out of cells.
• C)uses membrane pumps to move hydrogen ions out of the cytoplasm into the primary cell wall.
• D)activates enzymes that loosen cross-links between cellulose microfibrils.
• E)does all of these.

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Definitions:

Surge of Excitement

An intense, sudden feeling of exhilaration or euphoria, often experienced in response to a stimulating event or anticipation of one.

Unconditioned Stimulus

In classical conditioning, an unconditioned stimulus is something that naturally and automatically triggers a response without any learning needed.

Conditioned Stimulus

A formerly neutral signal that, once linked with the unconditioned stimulus, ultimately induces a conditioned reaction.

Unlearned Reaction

An innate response or reflex that is not acquired or learned through experience but is naturally present from birth.