Enzyme Regulation - Biochemistry | Biology+

Course

Biochemistry

Study Pack

Set 1: The Facts of Life: Chemistry Is the Logic of Biological Phenomena

Set 2: Water: the Medium of Life

Set 3: Thermodynamics of Biological Systems

Set 4: Amino Acids

Set 5: Proteins: Their Primary Structure and Biological Functions

Set 6: Proteins: Secondary, tertiary, and Quaternary Structure

Set 7: Carbohydrates and the Glycoconjugates of Cell Surfaces

Set 9: Lipid Biosynthesis

Set 10: Membranes and Membrane Transport

Set 11: The Reception and Transmission of Extracellular Information

Set 12: Enzymes Kinetics and Specificity

Set 13: Mechanisms of Enzyme Action

Set 14: Enzyme Regulation

Set 15: Molecular Motors

Set 16: Nutrition and the Organization of Metabolism

Set 17: Glycolysis

Set 18: The Tricarboxylic Acid Cycle

Set 19: Electron Transport and Oxidative Phosphorylation

Set 20: Photosynthesis

Set 21: Gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Set 22: Fatty Acid Catabolism

Set 23: Nitrogen Acquisition and Amino Acid Metabolism

Set 24: Nucleotides and Nucleic Acids

Set 25: Structure of Nucleic Acids

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Recombinant Dna: Cloning and Creation of Chimeric Genes

Set 28: DNA Metabolism: Replication, recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Post-Transcriptional Regulation of Gene Expression

Set 32: Completing the Protein Life Cycle: Folding, processing, and Degradation

Set 33: Metabolic Integration and Organ Specialization

Set 14 Enzyme Regulation

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Set 14 Enzyme Regulation

(Multiple Choice)

Free

Which of the following competes with CoA-SH for binding to E₂PDH?

A)acetyl-CoA
B)NAD⁺
C)NADH
D)ATP

Answer

(Multiple Choice)

Free

Which of the following terms describes the regulation of metabolism by activation of the gene encoding a particular enzyme?

A)covalent modification
B)repression
C)induction
D)allosteric activation

Answer

(Multiple Choice)

Free

Which of the following statements regarding enzyme regulation is correct?

A)Addition of an inhibitor to a V system results in kinetics similar to addition of a competitive inhibitor to a typical hyperbolic system.
B)Allosteric effectors are always more powerful than covalent modification.
C)Addition of an allosteric activator to a K system changes the plot of V versus [S] from a sigmoidal curve to a more hyperbolic curve.
D)The T state of an enzyme generally has more activity than the R state.

Answer