Answer these 100+ Biochemistry MCQs and see how sharp is your knowledge of Biochemistry. Scroll down and let's start!
A. Butter
B. Sucrose
C. Amino acid
D. Estrogen
A. Polymer ... glucose molecules
B. A nucleotide is to a nucleic acid
C. They are large polymers.
D. Amino acids together in a protein
E. Maltose + water ... dehydration synthesis
A. Small; small
B. Small; large
C. Large; large
D. Large; small
A. Gln, Asp
B. Gln, Asp, Gly
C. Gly, Asp
D. Gln, Asp, Gly, Phe
E. None of the above
A. PH 7 and 37 C
B. Lipase
C. Coenzyme
D. Occurs at a faster rate
E. Oxidoreductase
A. A means of detecting the protein
B. The amino acid sequences of proteins
C. Edman degradation
D. Peptides
A. System's entropy
B. Cell's energy equilibrium
C. Condition of a cell that is not able to react
D. Total energy in biological systems
A. Preinitiation complex
B. Cap-binding complex
C. Poly-binding complex
D. 48S Initiation complex
A. Mix with H2O
B. Mix with H
C. Mix with C
D. None of these
A. Solids; animals
B. Solids; plants
C. Liquids; plants
D. Liquids; animals
A. A polymer is broken up into its constituent monomers...consumed
B. A nucleotide is to a nucleic acid
C. Energy storage and release
D. Dehydration or condensation reactions
A. Molecules; chaperonins
B. Glycosidic; linkages
C. Disaccharide; double helix
D. Energy stored; energy released
E. Double helix; running antiparallel
A. Lactose; starch
B. Sucrose; glucose
C. Glycogen; starch
D. Glucose; fructose
E. Monosaccharides; disaccharides
A. Glycerolphospholipids
B. Glycine
C. Arachidonic
D. Tryptophan
A. Nitrate; nitrogen
B. Nitrate; ammonia
C. Nitrate; nitrite
D. Nitrate; nitric oxide
E. Nitrogen; nitrate
A. Proteins
B. Carbohydrates
C. Trace elements
D. All of the molecules listed are macromolecules.
E. Nucleic acids
A. Disaccharide
B. Polypeptide
C. Polysaccharide
D. Fat
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
E. None of the above
A. Solids; animals
B. Liquids; plants
C. Liquids; animals
D. Solids; plants
E. None of the above
A. Mitochondria
B. The endoplasmic reticulum
C. Cytochromes
D. Enzymes
E. Acetyl-CoA
A. A phosphorus atom, P
B. May be polar or nonpolar
C. The components of the R-group
D. It acts as an acid and loses a proton, giving it a negative charge
A. Decreases
B. Increases
C. Has no relation
D. Stays the same
A. Wax
B. Fat
C. Stearic
D. Oleic
A. Usually solidify at room temperature
B. Are more common in animals than in plants
C. Contain more hydrogen than unsaturated fats that consist of the same number of carbon atoms
D. Have many double bonds in the carbon chains of their fatty acids
A. As vectors for use in cloning human DNA
B. As food
C. To produce potentially useful proteins
D. All of the above
A. DNA ligase
B. Restriction enzymes
C. Gel electrophoresis
D. PCR
A. It loses its polarity
B. It cools the surrounding environment
C. Its molecules move farther apart
D. Its hydrogen bonds break apart
A. Double reciprocal plot
B. Michaelis-Menten plot
C. Sigmoidal plot
D. Hyperbolic plot
A. A2b2c(10-14)
B. A3b3c3
C. Ab2c(10-14)
D. Abc(10-14
A. Activated; ATP
B. Inhibited; ATP
C. Inhibited; fructose-2,6-bisphosphate
D. Activated; fructose -2,6-bisphosphate
A. Primary
B. Secondary
C. Local
D. None of these
A. Polar region that dissolves in water and a nonpolar region that repels water
B. Polar region that repels water and a nonpolar region that dissolves in water
C. Both regions dissolved in water
D. Both regions repel water
A. ATP
B. H+
C. OH- Synthesis.
D. Water
A. A clone
B. DNA ligase
C. A restriction enzyme
D. Humulin
A. The law of mass action
B. Chemical equilibrium phenomenon
C. Activation energy
D. Metabolism
A. Polar molecule regulates temperature universal solvent
B. Ionic bond
C. Number of protons
D. Energy and matter within living organisms
A. Continuously drawing air into the cabinet prevents contaminated air out the open face area.
B. No more than 1% of the body weight at one time
C. Contamination via aerosol formation.
D. BioSafety Level (BSL)2
A. 1 A COOH group at the end of the carbon skeleton evolves into a CO2 group.
B. 2
C. 6
D. None of these
A. B-1,6-glycosidic
B. A-1,6-glycosidic
C. A-1.4-glycosidic
D. B-1.4'-glycosidic
A. Hypertonic
B. Hypotonic
C. Isotonic
D. Thylakoid
A. A.transcription
B. MRNA stability control
C. RNA processing
D. Chromatin remodeling
A. Cellulose
B. Lipid
C. Sugar
D. Protein
E. Starch
A. Acetyl
B. Acyl
C. Prenyl
D. Isoprenoid
E. Isopentenyl
A. Steroid
B. Protein
C. Unsaturated fat
D. Nucleic acid
E. Saturated fat
A. Gain; reduced
B. Gain; stable
C. Reduce; gained
D. Reduce; stable
A. R group
B. Carboxyl group
C. Phosphate group
D. Amino group
A. Epinephrine; adrenocorticotropic hormone
B. Glucagon; insulin
C. Insulin; norepinephrine
D. Glucagon; norepinephrine
E. Epinephrine; glucagon
A. Considerably more energy than carbohydrates.
B. β-oxidation process.
C. Pancreatic lipases; bile salts
D. Small intestine
A. C5
B. C4
C. C2
D. C1
A. A
B. B
C. C
D. D