Calculations of DNA Mutation Rates Indicate That Native Americans Migrated

question 44

Multiple Choice

Calculations of DNA mutation rates indicate that Native Americans migrated about ________ yBP.

• A) 15,000
• B) 30,000
• C) 100,000
• D) 150,000

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Definitions:

Smooth Muscle Tone

The continuous and passive partial contraction of smooth muscles, which helps maintain functions like blood pressure and digestion.

Action Potentials

Short-lasting events in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory.

Plasma Membranes

The lipid bilayer surrounding a cell, regulating the passage of substances in and out of the cell.

Muscular Atrophy

The wasting or loss of muscle tissue due to a lack of physical activity, disease, or nutritional deficiency, leading to weakness and reduced muscle mass.