DNA and Chromosomes Quiz

What are the regions called into which each chromosome is organized?

• Cells

• Nuclei

• Genes

• Proteins

Approximately how many genes do humans have?

• 10,000

• 15,000

• 21,000

• 30,000

Approximately how many base pairs make up the p53 gene?

• 10,000

• 15,000

• 18,000

• 20,000

What is the primary function of the nucleus in a cell?

• Energy production

• Protein synthesis

• DNA storage

• Waste removal

Which chromosome is highlighted in the diagram?

• Chromosome 1

• Chromosome 17

• Chromosome 21

• Chromosome X

How many chromosomes are typically found in a human cell?

• 23

• 46

• 17

• 92

Which of the following is NOT a function of chromosomes?

• Carrying genetic information

• Coding for proteins

• Providing structural support

• Storing energy

What is the molecule called that is very similar to DNA but has a U instead of a T?

• Protein

• Ribosome

• RNA

• Amino Acid

What happens to RNA after it is copied from DNA?

• It becomes DNA again.

• It gets edited.

• It immediately forms proteins.

• It is destroyed.

What is the purpose of editing RNA?

• To add more DNA.

• To remove non-coding DNA.

• To create ribosomes.

• To synthesize lipids.