DNA and RNA Flashcard Review

Front

What is the shape of a DNA molecule?

Back

Double helix shape.

Front

What enzyme tells the cell where to start replicating the DNA?

Back

Primase.

Front

How does RNA differ from DNA?

Back

RNA contains uracil and ribose.

Front

What enzyme unwinds the DNA helix during replication?

Back

Helicase.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA carries the genetic information from DNA to the ribosome for protein synthesis.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the function of DNA polymerase?

Back

DNA polymerase synthesizes new DNA strands during replication.

Front

What is the difference between DNA and RNA in terms of sugar?

Back

DNA contains deoxyribose, while RNA contains ribose.

Front

What is transcription in the context of genetics?

Back

Transcription is the process of copying a segment of DNA into RNA.