Which Factor Is Least Likely to Act as a Cue

question 29

Multiple Choice

Which factor is least likely to act as a cue to signal the opening and closing of stomata?

• A)humidity of the environment
• B)intensity of sunlight
• C)chemical signals from other plants
• D)level of CO₂ inside the leaf
• E)hormonal messages from other plant parts

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Definitions:

Ribosomes

Cellular structures responsible for protein synthesis.

microRNAs

Small non-coding RNA molecules that play a key role in regulating gene expression by binding to and inhibiting specific mRNA molecules.

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products of gene expression.

RNA Polymerase

An enzyme that synthesizes RNA from a DNA template during the process of transcription.