Cell Structure and Function

What is the function of insulin?

• Transports oxygen
• Digests fats
• Replicates DNA
• Regulates blood sugar

Which of the following is a characteristic of globular proteins?

• Insoluble in water
• Structural support
• Form fibers
• Soluble in water

What is the role of DNA polymerase?

• Breaks down DNA
• Joins DNA fragments
• Repairs RNA
• Synthesizes DNA strands

Which of the following is a structural component of bacterial cell walls?

• Chitin
• Cellulose
• Lysozyme
• Peptidoglycan

What is the repeating unit in DNA called?

• Amino acid
• Monosaccharide
• Fatty acid
• Nucleotide