Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 54

Question 266

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What is the function of transfer RNA (tRNA)?

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

Question 267

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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

Question 268

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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

Question 269

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What is the result of protein denaturation?

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

Question 270

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

Primary structure
Secondary structure
Quaternary structure
Tertiary structure