REVIEW: Genes, Chromosomes, and DNA

Front

What determines the code, or information, of a DNA molecule?

Back

The order (sequence) of the nitrogen bases.

Front

What is a gene?

Back

A short length of DNA that codes for a protein.

Front

What amino acid is represented by the codon AUU?

Back

Isoleucine.

Front

What makes up the sides of a DNA molecule?

Back

Sugar and phosphate.

Front

Which process is used to make mRNA from the DNA in the nucleus?

Back

Transcription.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the three components of a nucleotide?

Back

A nitrogen base, a sugar, and a phosphate group.

Front

What is the function of mRNA?

Back

To carry genetic information from DNA to the ribosome for protein synthesis.

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes read mRNA sequences and assemble amino acids into proteins.

Front

What are chromosomes?

Back

Coiled and condensed fibers of DNA that contain genes.