Unit 4B Review

Front

How many different kinds of bases can be found on RNA?

Back

4

Front

What type of mutation is represented by the change from TTACGCAAG to TTCGCAAG?

Back

Deletion

Front

Which of the following is NOT a component of the nucleotides? A nitrogenous base, A five-carbon sugar, A carboxyl group, A phosphate group.

Back

A carboxyl group

Front

When DNA is transcribed to RNA, what does A pair with?

Back

U

Front

What type of bond holds the two strands of a DNA double helix together?

Back

Hydrogen bonds

Front

What are the three components of a nucleotide?

Back

A nitrogenous base, a five-carbon sugar, and a phosphate group.

Front

What is the function of RNA in protein synthesis?

Back

RNA serves as a template for translating genetic information into proteins.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.

Front

What is transcription in the context of genetics?

Back

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

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the sites where proteins are synthesized by translating mRNA.