A Complication of Molecular Clock Studies Is That

question 11

Multiple Choice

A complication of molecular clock studies is that

• A) DNA and proteins appeared in life at about the same time.
• B) genes mutate at different rates.
• C) DNA is not often preserved in fossils.
• D) some species are more highly evolved than others.
• E) some primate species do not have a Y chromosome.

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Definitions:

Profit Margin

A measure of profitability calculated as net income divided by revenue, or net profits divided by sales.

Interval Measure

Interval measure is a financial metric that assesses a company's ability to meet its current operational expenses by comparing its current assets to its current cash outflows.

Net Fixed Assets

These are a company's total fixed assets minus its accumulated depreciation, representing the actual value of the company’s fixed assets.

Average Daily Operating Costs

The average amount spent by a business on its day-to-day operational activities, divided by the number of days in the period.