MCQs

11212 questions found

Practice Questions

A lipid that acts as a messenger molecule and plays roles in inflammation, blood clotting, and smooth muscle contraction is:

A. Cholesterol

B. Triglyceride

C. Prostaglandin ✓

D. Phospholipid

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient with a deficiency in a specific trace mineral experiences impaired thyroid hormone synthesis, leading to hypothyroidism. This mineral is:

A. Iron

B. Zinc

C. Iodine ✓

D. Calcium

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The process of DNA replication is considered semiconservative because:

A. Both new strands are composed entirely of new nucleotides.

B. Both original strands are entirely preserved.

C. Each new DNA molecule consists of one original strand and one newly synthesized strand. ✓

D. Replication occurs in a linear fashion.

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A substance that has both hydrophilic and hydrophobic properties is described as:

A. Polar

B. Nonpolar

C. Amphipathic ✓

D. Hydrophobic

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient presents with beriberi, characterized by neurological and cardiovascular symptoms. This condition is caused by a deficiency of:

A. Vitamin B3 (Niacin)

B. Vitamin B1 (Thiamine) ✓

C. Vitamin B2 (Riboflavin)

D. Vitamin B6 (Pyridoxine)

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A genetic mutation results in a premature stop codon in the mRNA sequence, leading to a truncated, non-functional protein. This type of mutation is called a:

A. Silent mutation

B. Missense mutation

C. Nonsense mutation ✓

D. Frameshift mutation

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The metabolic pathway that generates ATP from glucose under anaerobic conditions, producing pyruvate and a small amount of ATP, is:

A. Krebs Cycle

B. Oxidative Phosphorylation

C. Glycolysis ✓

D. Beta-oxidation

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A lipid that is the primary component of cell membranes and forms a bilayer due to its amphipathic nature (having both hydrophilic and hydrophobic parts) is:

A. Triglyceride

B. Cholesterol

C. Phospholipid ✓

D. Sphingolipid

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient with a genetic defect cannot synthesize a specific enzyme. This defect would most directly impact the cell’s:

A. Structural integrity

B. Genetic information storage

C. Rate of specific biochemical reactions ✓

D. Water balance

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The building blocks of nucleic acids (DNA and RNA) are:

A. Amino acids

B. Monosaccharides

C. Fatty acids

D. Nucleotides ✓

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A protein that acts as a biological catalyst, speeding up the rate of specific biochemical reactions without being consumed in the process, is called an:

A. Hormone

B. Antibody

C. Enzyme ✓

D. Receptor

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient presents with symptoms of pellagra, including dermatitis, diarrhea, and dementia. This condition is caused by a deficiency of:

A. Vitamin B3 (Niacin) ✓

B. Vitamin B1 (Thiamine)

C. Vitamin B2 (Riboflavin)

D. Vitamin B6 (Pyridoxine)

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The process of breaking down glycogen into glucose-1-phosphate and then glucose for energy is called:

A. Glycogenesis

B. Glycolysis

C. Glycogenolysis ✓

D. Gluconeogenesis

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A substance that resists changes in pH when small amounts of acid or base are added is called a(n):

A. Salt

B. Indicator

C. Buffer ✓

D. Solvent

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A cellular process that involves the movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration is:

A. Filtration

B. Active transport

C. Facilitated diffusion

D. Osmosis ✓

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient has a deficiency in a specific enzyme involved in the synthesis of a non-essential amino acid. Non-essential amino acids are those that:

A. Cannot be used for protein synthesis.

B. Must be obtained from the diet.

C. Can be synthesized by the human body. ✓

D. Are only found in animal products.

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The DNA double helix is stabilized by hydrogen bonds and hydrophobic interactions. The overall shape of the double helix is due to the coiling of two polynucleotide strands into a:

A. Beta-pleated sheet

B. Alpha-helix

C. Superhelix ✓

D. Parallel helix

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

A patient with malabsorption syndrome is unable to absorb fat-soluble vitamins. Which of the following vitamins are considered fat-soluble?

A. Vitamin B complex and Vitamin C

B. Vitamin A, D, E, K ✓

C. Folic acid and Biotin

D. Thiamine and Riboflavin

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

The process of synthesizing glycogen from glucose is called:

A. Glycogenolysis

B. Glycolysis

C. Glycogenesis ✓

D. Gluconeogenesis

Read More Details about this Mcq:

nmdcat.online Bio chemistry for nurses

Jun 6, 2026

1 ... 289 290 291 292 293 ... 591

Page 291 of 591

Jump to:

MCQs

Practice Questions

A lipid that acts as a messenger molecule and plays roles in inflammation, blood clotting, and smooth muscle contraction is:

A patient with a deficiency in a specific trace mineral experiences impaired thyroid hormone synthesis, leading to hypothyroidism. This mineral is:

The process of DNA replication is considered semiconservative because:

A substance that has both hydrophilic and hydrophobic properties is described as:

A patient presents with beriberi, characterized by neurological and cardiovascular symptoms. This condition is caused by a deficiency of:

A genetic mutation results in a premature stop codon in the mRNA sequence, leading to a truncated, non-functional protein. This type of mutation is called a:

The metabolic pathway that generates ATP from glucose under anaerobic conditions, producing pyruvate and a small amount of ATP, is:

A lipid that is the primary component of cell membranes and forms a bilayer due to its amphipathic nature (having both hydrophilic and hydrophobic parts) is:

A patient with a genetic defect cannot synthesize a specific enzyme. This defect would most directly impact the cell’s:

The building blocks of nucleic acids (DNA and RNA) are:

A protein that acts as a biological catalyst, speeding up the rate of specific biochemical reactions without being consumed in the process, is called an:

A patient presents with symptoms of pellagra, including dermatitis, diarrhea, and dementia. This condition is caused by a deficiency of:

The process of breaking down glycogen into glucose-1-phosphate and then glucose for energy is called:

A substance that resists changes in pH when small amounts of acid or base are added is called a(n):

A cellular process that involves the movement of water across a semipermeable membrane from an area of high water concentration to an area of low water concentration is:

A patient has a deficiency in a specific enzyme involved in the synthesis of a non-essential amino acid. Non-essential amino acids are those that:

The DNA double helix is stabilized by hydrogen bonds and hydrophobic interactions. The overall shape of the double helix is due to the coiling of two polynucleotide strands into a:

A patient with malabsorption syndrome is unable to absorb fat-soluble vitamins. Which of the following vitamins are considered fat-soluble?

The process of synthesizing glycogen from glucose is called:

🏆 Top Contributors

Categories