Indicate Whether Each of the Following Descriptions Better Applies to the Genome

question 19

Short Answer

Indicate whether each of the following descriptions better applies to the genome of mitochondria (M) or nuclei (N) in vertebrates. Your answer would be a four-letter string composed of letters M and N only, e.g. MNMN.
( ) It has a higher percentage of noncoding DNA.
( ) It has a stricter codon usage.
( ) Its genes are present at higher copy numbers per cell.
( ) Its evolutionary clock ticks much faster.

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Definitions:

Glaciers

Large masses of ice that form on land from the accumulation and compaction of snow, moving slowly over time.

Seasonal Effects

The variations in natural or social phenomena that occur at specific times of the year due to Earth's changing position relative to the sun.

Isotopes

Variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Evaporation

The process by which water changes from a liquid to a gas or vapor, a key part of the Earth's water cycle and energy balance.