Suppose a New Species of Bacterium Is Discovered

question 40

Multiple Choice

Suppose a new species of bacterium is discovered.It contains a form of DNA pol III that can add new nucleotides to either the 5' end or the 3' end of an existing strand.All other properties of the enzyme remain unchanged.How would DNA replication in these bacteria differ from normal replication?

• A)Both new strands could be synthesized continuously like the leading strand.
• B)The same polymerase molecule could synthesize both strands at the same time.
• C)Helicase would no longer be required for replication.
• D)DNA gyrase would no longer be required for replication.

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Definitions:

Residual Value

The estimated amount that an asset will be worth at the end of its useful life.

Double-Declining-Balance Method

A method of accelerated depreciation which doubles the straight-line depreciation rate and applies it to the asset's remaining book value each year.

Depreciation

The method of distributing the expense of a physical asset over its lifespan to represent its depreciation over time.

Residual Value

The estimated salvage value of an asset at the end of its useful life, representing what it could be sold for or would be worth at that future time.