Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 58

Question 286

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Which of the following is a reducing sugar?

Sucrose
Cellulose
Starch
Maltose

Question 287

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What is the main difference between DNA and RNA in terms of sugar composition?

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

Question 288

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What is the role of transfer RNA (tRNA) in protein synthesis?

To form ribosomes
To carry genetic information
To bring amino acids to the ribosome
To catalyze DNA replication

Question 289

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What is the secondary structure of proteins stabilized by?

Disulfide bonds
Ionic bonds
Hydrophobic interactions
Hydrogen bonds

Question 290

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Which vitamin acts as a coenzyme in blood clotting?

Vitamin A
Vitamin C
Vitamin E
Vitamin K