Control Of Gene Expression - Cell and Molecular Biology | Biology+

Course

Cell Biology

Study Pack

Set 1: Introduction to the Study of Cell and Molecular Biology

Set 2: The Chemical Basis of Life

Set 3: Bioenergetics, Enzymes and Metabolism

Set 4: The Structure and Function of the Plasma Membrane

Set 5: Aerobic Respiration and the Mitochondrion

Set 6: Photosynthesis and the Chloroplast

Set 7: Interactions Between Cells and Their Environment

Set 8: Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

Set 9: The Cytoskeleton and Cell Motility

Set 10: The Nature of the Gene and the Genome

Set 11: Gene Expression: From Transcription to Translation

Set 12: Control of Gene Expression

Set 13: Dna Replication and Repair

Set 14: Cellular Reproduction

Set 15: Cell Signaling and Signal Transduction: Communication Between Cells

Set 17: The Immune Response

Set 18: Techniques in Cell and Molecular Biology

Set 12 Control Of Gene Expression

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Set 12 Control Of Gene Expression

(Multiple Choice)

Free

β-galactosidase is encoded by the ___________.

A)y gene of the lac operon
B)z gene of the lac operon
C)a gene of the lac operon
D)y gene of the trp operon
E)z gene of the trp operon

Answer

(Multiple Choice)

Free

Which of the traits below is characteristic of the classical nuclear localization signals?

A)possession of large numbers of hydrophobic amino acids
B)possession of one or two short stretches of negatively charged amino acids
C)possession of one or two short stretches of positively charged amino acids
D)twisted backbones
E)double helical regions

Answer

(Multiple Choice)

Free

What is the name of the regulatory protein which binds to specific DNA sequences with high affinity and plays an important role in determining whether a genome segment is transcribed or not?

A)the operator
B)the terminator
C)the promoter
D)the repressor
E)the structural genes

Answer