What Happens to the Amount of Available Energy as You

question 25

Multiple Choice

What happens to the amount of available energy as you progress up the food pyramid?

• A) The amount of energy decreases.
• B) The amount of energy increases.
• C) The amount of energy stays the same.
• D) The amount of energy first decreases and then finally increases.
• E) Energy does not move from one trophic level to the next.

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Definitions:

Operon

A functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter, found in prokaryotes.

Promotor

A region of DNA that initiates transcription of a particular gene, providing a binding site for RNA polymerase and other transcription factors.

mRNA Synthesis

The process of synthesizing messenger RNA (mRNA) from a DNA template during gene expression, allowing for protein production.

Structural Gene

A gene that codes for any RNA or protein product other than a regulatory factor.