The process by which water is removed to bond two molecules together is called:
a) Hydrolysis
b) Dehydration synthesis
c) Respiration
d) Photosynthesis
Answer: b) Dehydration synthesis

Which of the following vitamins is fat-soluble?
a) Vitamin C
b) Vitamin B12
c) Vitamin A
d) Vitamin B6
Answer: c) Vitamin A

The three components of a nucleotide are:
a) Sugar, phosphate, and base
b) Amino acid, carboxyl group, and R group
c) Glycerol, fatty acid, and phosphate
d) Monosaccharide, disaccharide, and polysaccharide
Answer: a) Sugar, phosphate, and base

What is the role of ribosomes in a cell?
a) DNA replication
b) Protein synthesis
c) Lipid metabolism
d) Carbohydrate storage
Answer: b) Protein synthesis

The molecule that carries genetic information from DNA to the ribosome is:
a) tRNA
b) mRNA
c) rRNA
d) ATP
Answer: b) mRNA

Which process converts glucose into pyruvate, producing ATP?
a) Photosynthesis
b) Glycolysis
c) Oxidative phosphorylation
d) Fermentation
Answer: b) Glycolysis

Cholesterol is classified as which type of biomolecule?
a) Carbohydrate
b) Protein
c) Lipid
d) Nucleic acid
Answer: c) Lipid

What is the basic unit of carbohydrates?
a) Amino acids
b) Nucleotides
c) Fatty acids
d) Monosaccharides
Answer: d) Monosaccharides

The energy currency of the cell is:
a) DNA
b) RNA
c) ATP
d) NADH
Answer: c) ATP

The removal of introns from RNA is called:
a) Splicing
b) Replication
c) Transcription
d) Translation
Answer: a) Splicing