Mitosis, Gene Expression, and Cell Differentiation Review

Which of the following is NOT a component of a nucleotide?

• Glucose
• Phosphate
• 5-carbon sugar
• Nitrogen base

With which base does adenine pair?

• Adenine
• Cytosine
• Guanine
• Thymine

With which base does cytosine pair?

• Adenine
• Cytosine
• Guanine
• Thymine

With which base does uracil pair?

• Adenine
• Cytosine
• Guanine
• Thymine

What do we call the process where we make an identical copy of the entire cell's DNA?

• Transcription
• Protein Synthesis
• DNA replication
• photosynthesis

What do we call a region on the DNA that codes for a protein?

• Protein
• Gene
• DNA
• chromosome

Proteins are made by sticking together a bunch of ....

• nucleotides
• amino acids
• RNA molecules
• tRNAs

Mutations usually affect the...

• sequence of amino acids in a protein
• how much the cell can grow
• DNA replication
• nothing

DNA or RNA: single stranded

• DNA
• RNA

DNA or RNA: contains uracil

• DNA
• RNA