How Does a Molecular Clock Measure Time

question 22

Multiple Choice

How does a molecular clock measure time?

• A) by observing that some genes and other regions of genomes appear to evolve at different rates
• B) by detecting gene irregularities that result from natural selection
• C) by counting the number of nucleotide substitutions over fixed period of time
• D) by using few gene mutations to calibrate the clock

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Definitions:

LIFO Method

An inventory valuation method that stands for "Last In, First Out," assuming that the most recently produced items are sold first.

Cost of Goods Sold

The immediate financial costs tied to the manufacture of goods a company sells, including labor and materials.

Merchandise Inventory

Goods or products that a company holds for the purpose of selling to customers in the ordinary course of business.

Damaged Goods

Items that are physically harmed and are reduced in value, typically making them unsellable at full price.