Unit 4 Exam Review

Front

What is a codon?

Back

A codon is a sequence of three nucleotides in mRNA that specifies a particular amino acid.

Front

What amino acid does the codon AUU code for?

Back

Isoleucine.

Front

What do amino acids join together to form?

Back

A growing polypeptide chain (protein).

Front

What is the structure of a DNA molecule?

Back

A double helix.

Front

What sugar is found in RNA?

Back

Ribose.

Front

What is the process of making proteins from mRNA called?

Back

Translation.

Front

What is the correct sequence of genetic information flow?

Back

DNA -> RNA -> Protein.

Front

What is transcription?

Back

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 based on mRNA instructions.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar and thymine, while RNA contains ribose sugar and uracil.