Cell Structure and Function

What is the primary function of DNA polymerase?

• To break down DNA
• To join DNA fragments
• To synthesize DNA strands
• To degrade RNA

Which type of protein is insulin?

• Fibrous protein
• Membrane protein
• Globular protein
• Transport protein

What is the role of histones in DNA structure?

• To replicate DNA
• To transcribe DNA
• To package DNA into chromatin
• To repair DNA

What is the function of messenger RNA (mRNA)?

• To transport amino acids
• To form ribosomes
• To carry genetic information from DNA to ribosomes
• To catalyze reactions

Which base is unique to DNA and not found in RNA?

• Adenine
• Cytosine
• Uracil
• Thymine