Scientists Are Continually Discovering New Species of Prokaryotes

question 38

Multiple Choice

Scientists are continually discovering new species of prokaryotes.Why is DNA testing important in identifying new prokaryotic species?

• A) Unique DNA sequences help to determine if the prokaryote is a new species.
• B) All prokaryotes look like eukaryotes.
• C) Testing their DNA makes prokaryotes glow,so it is easier to study their behavior.
• D) They mutate too quickly to study their features.
• E) Prokaryotes are only found at hydrothermal vents.

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Definitions:

Straight-line

A method of depreciation that allocates an equal expense amount to each period over the useful life of an asset.

Straight-line Depreciation

A method of allocating the cost of a tangible asset over its useful life, evenly distributing the depreciation expense each year.

Double Declining-balance

A method of accelerated depreciation where an asset’s value is reduced at double the rate of traditional straight-line depreciation.

Net Income

The resultant profit or loss after all expenses and incomes, including tax expenses have been accounted for, over a period.