Cell Structure and Function

What is the function of transfer RNA (tRNA)?

• To replicate DNA
• To transcribe DNA
• To repair DNA
• To bring amino acids to the ribosome

What is the difference between DNA and RNA regarding their sugar component?

• DNA contains ribose; RNA contains deoxyribose
• DNA contains fructose; RNA contains glucose
• DNA contains galactose; RNA contains ribose
• DNA contains deoxyribose; RNA contains ribose

What is the role of messenger RNA (mRNA)?

• Transports amino acids
• Forms part of ribosomes
• Carries genetic information from DNA to ribosomes
• Catalyzes biochemical reactions

What is the result of protein denaturation?

• Increased solubility
• Enhanced enzymatic activity
• Loss of biological activity
• Formation of new peptide bonds

Which protein structure determines the overall shape and function of the protein?

• Primary structure
• Secondary structure
• Quaternary structure
• Tertiary structure