You Observe a Houseplant on Your Window Sill Bending Toward

question 43

Multiple Choice

You observe a houseplant on your window sill bending toward the bright afternoon sunlight. Being knowledgeable, you wish to explain the molecular events of the phototropic response to your friend. What is the correct sequence that you would describe?
I. PHOT1 attains a phosphate group and changes shape.
II. Cell elongation occurs on the shady side of the plant.
III. Auxin binds its receptor at target tissues.
IV. Light strikes PHOT1.
V. PHOT1 stimulates downward auxin transport on the shady side of the plant.
VI. Light strikes stomata, which close to minimize water loss.
VII. Cells on the illuminated side of the plant become shorter.

• A) VI, VII, II
• B) VII, II, III, I
• C) IV, I, V, III, II
• D) IV, VI, III, VII
• E) Any of these sequences can initiate phototropism.

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Definitions:

Simple Interest

A financial calculation approach where interest is only derived from the base amount, not including any interest that has built up over time.

Deposit Reached

Achieving the required minimum amount of money in an account to fulfill a particular condition.

Deposit Value

The amount of money placed in an account or invested, which can earn interest over time.

Interest Rate

The fraction at which a lender charges interest to a borrower for the amount of money lent.