If You Made a Change in the Promoter Sequence in the DNA

question 94

Multiple Choice

If you made a change in the promoter sequence in the DNA that inactivates the promoter, what would happen at the RNA level?

• A)Nothing, the RNA would be made as usual.
• B)The mutation of the DNA would be carried through to the RNA sequence.
• C)The RNA polymerase would not be able to recognize and bind the DNA, so no RNA would be made.
• D)The DNA helicase would not be able to recognize and bind the DNA, so the RNA would not be made.

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Definitions:

Iron-Ore Deposits

Concentrations of iron minerals within the Earth that can be mined and processed to extract iron metal.

Iron Formations

Geological formations composed of layered sediments and minerals, predominantly iron-rich, that were deposited in ancient oceanic and lake environments.

Sedimentary Sequences

Layers of sedimentary rocks that record the geological history of an area, often showing a progression of depositional environments.

Groundwater

Water that is found in the pores and fractures in rock and soil beneath the Earth's surface, which can supply wells and springs.