What Happens When a Seed Absorbs Water and Causes the Plant

question 16

Multiple Choice

What happens when a seed absorbs water and causes the plant embryo to release gibberellin?

• A)glucose levels decrease as a direct effect of gibberellin on the endosperm
• B)the aleurone starts expressing amylase inhibiting transcriptional repressors
• C)a protein-rich layer of cells surrounding endosperm starts growing in response to the hormone
• D)the endosperm absorbs the hormone
• E)amylase is released from the aleurone and breaks down starch in endosperm

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Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood sugar levels.

Adrenergic Receptors

Adrenergic receptors are proteins located on cell surfaces that respond to adrenaline (epinephrine) and noradrenaline (norepinephrine) to mediate physiological responses.

G Proteins

A family of protein molecules that act as molecular switches inside cells, involved in transmitting signals from a variety of stimuli outside a cell to its interior.

Muscarinic Blocking Agent

A muscarinic blocking agent is a type of drug that inhibits the action of acetylcholine at muscarinic receptors, affecting various bodily functions such as heart rate and glandular secretions.