nmdcat.online

MCQs

11212 questions found

Practice Questions

A protein that exists as a complex of multiple polypeptide chains (e.g., hemoglobin with four subunits) exhibits which level of protein structure?

A. Primary
B. Secondary
C. Tertiary
D. Quaternary ✓
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The enzyme that catalyzes the final step of the electron transport chain, transferring electrons to oxygen to form water, is:

A. ATP synthase
B. Cytochrome c oxidase ✓
C. NADH dehydrogenase
D. Succinate dehydrogenase
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with a diet very low in carbohydrates may enter a state where the body produces ketone bodies from fatty acid breakdown to use as an alternative energy source. This process is called:

A. Glycolysis
B. Lipogenesis
C. Ketogenesis ✓
D. Gluconeogenesis
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The process of joining two smaller molecules together to form a larger one, typically removing a water molecule, is called:

A. Hydrolysis
B. Condensation (dehydration synthesis) ✓
C. Oxidation
D. Reduction
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with a genetic defect in a mitochondrial enzyme cannot perform the Krebs Cycle efficiently. This would severely impair the cell’s ability to produce:

A. Glucose
B. Fatty acids
C. Large amounts of ATP aerobically ✓
D. Lactic acid
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The metabolic pathway that breaks down glucose into two molecules of pyruvate, generating a small amount of ATP and NADH, is:

A. Krebs Cycle
B. Oxidative phosphorylation
C. Glycolysis ✓
D. Gluconeogenesis
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A protein’s secondary structure involves localized folding patterns like alpha-helices and beta-pleated sheets, which are primarily stabilized by:

A. Covalent bonds
B. Ionic bonds
C. Hydrogen bonds between backbone atoms ✓
D. Disulfide bonds
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The overall sequence of nucleotides in a DNA molecule constitutes its:

A. Tertiary structure
B. Secondary structure
C. Primary structure ✓
D. Quaternary structure
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with a chronic inflammatory condition may have elevated levels of certain signaling molecules derived from fatty acids. These molecules are:

A. Steroids
B. Triglycerides
C. Prostaglandins ✓
D. Phospholipids
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A cell swells and bursts when placed in a solution with a very low solute concentration. This phenomenon is caused by water moving into the cell via:

A. Active transport
B. Facilitated diffusion
C. Simple diffusion
D. Osmosis ✓
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The energy released from catabolic reactions is captured and stored in the form of:

A. ADP
B. Glucose
C. ATP ✓
D. Amino acids
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A deficiency in Vitamin B6 (Pyridoxine) can lead to neurological symptoms and skin problems. Vitamin B6 is important for:

A. Blood clotting
B. Amino acid metabolism ✓
C. Bone health
D. Vision
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The process of synthesizing RNA from a DNA template is called:

A. Replication
B. Translation
C. Transcription ✓
D. Reverse transcription
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with hyperlipidemia needs to understand the structure of lipoproteins. The outer layer of a lipoprotein, allowing it to be soluble in blood, is primarily composed of:

A. Triglycerides
B. Cholesterol
C. Phospholipids and apoproteins ✓
D. Fatty acids
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The major metabolic organ responsible for maintaining blood glucose homeostasis by performing glycogenesis, glycogenolysis, and gluconeogenesis is the:

A. Muscle
B. Brain
C. Adipose tissue
D. Liver ✓
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A protein that functions as an antibody, playing a key role in the immune system by binding to specific antigens, is an example of a protein’s:

A. Transport function
B. Structural function
C. Defensive function ✓
D. Catalytic function
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The type of bond that links nucleotides together to form a polynucleotide strand (DNA or RNA) is a:

A. Glycosidic bond
B. Ester bond
C. Peptide bond
D. Phosphodiester bond ✓
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient has difficulty absorbing dietary fats. This could lead to a deficiency in which type of vitamins?

A. Water-soluble vitamins
B. Fat-soluble vitamins ✓
C. Mineral vitamins
D. Electrolyte vitamins
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The complete breakdown of glucose in the presence of oxygen, yielding a large amount of ATP, is called:

A. Anaerobic respiration
B. Aerobic respiration ✓
C. Fermentation
D. Glycolysis
Read More Details about this Mcq:
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
1 ... 285 286 287 288 289 ... 591
Page 287 of 591
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    11210 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →