Molecular Motors - Biochemistry

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 and the Peptide Bond

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 8: Lipids

Set 9: Membranes and Membrane Transport

Set 10: Nucleotides and Nucleic Acids

Set 11: Structure of Nucleic Acids

Set 12: Recombinant Dna, Cloning, Chimeric Genes, and Synthetic Biology

Set 13: Enzymeskinetics and Specificity

Set 14: Mechanisms of Enzyme Action

Set 15: Enzyme Regulation

Set 16: Molecular Motors

Set 17: Metabolism: an Overview

Set 18: Glycolysis

Set 19: The Tricarboxylic Acid Cycle

Set 20: Electron Transport and Oxidative Phosphorylation

Set 21: Photosynthesis

Set 22: Gluconeogenesis, Glycogen Metabolism, and the Pentose Phosphate Pathway

Set 23: Fatty Acid Catabolism

Set 24: Lipid Biosynthesis

Set 25: Nitrogen Acquisition and Amino Acid Metabolism

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Metabolic Integration and Organ Specialization

Set 28: Dna Metabolism: Replication, Recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Completing the Protein Life Cycle: Folding, Processing, and Degradation

Set 32: The Reception and Transmission of Extracellular Information

Set 16 Molecular Motors

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Set 16 Molecular Motors

Question 1

(Multiple Choice)

Free

Myofibrils are linear arrays of cylindrical ____, the basic structural unit in the contraction of striated muscle.

A) foot structures
B) sarcomeres
C) sarcolemmas
D) sarcoplasmic reticulum (SR)
E) t-tubules

Answer

Question 2

(Multiple Choice)

Free

Microtubules are ____ structures formed from ____.

A) solid; myosin
B) self-assembling; phospholipids
C) hollow; membranes
D) self-assembling; tubulin
E) solid; tubulin

Answer

Question 3

(Multiple Choice)

Free

Of the six polypeptides that make up the thick filament, the ATPase activity is in the:

A) LC1
B) LC2
C) Myosin heavy chains
D) Essential light chains
E) Regulatory light chains

Answer