Figure 4-3 Use the Figure to Answer the Corresponding Question(s)

question 33

Multiple Choice

Figure 4-3
Use the figure to answer the corresponding question(s) .
-The structures indicated by the arrows in Figure 4-3 are:

• A) intermembrane space.
• B) grana.
• C) cristae.
• D) matrices.
• E) plastids.

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Definitions:

Euchromatic Regions

Areas of chromosomes that are less condensed during interphase, rich in gene activity and accessible for transcription.

Transcriptionally Active

Describing a state in which DNA is being actively copied into RNA by RNA polymerase, indicating active gene expression.

Genes

Sequences of DNA that code for proteins or functional RNA molecules, playing crucial roles in determining traits.

Repressed

Psychologically, referring to thoughts, memories, or desires that are kept out of conscious awareness. Biologically, it can refer to the inhibition of gene expression or enzymatic action.