Dna Replication And Gene Expression - Microbiology | Biology+

Course

Microbiology

Study Pack

Set 1: The Microbial World

Set 2: Bacteria

Set 3: Eukaryal Microbes

Set 6: Cultivating Microorganisms

Set 7: DNA Replication and Gene Expression

Set 8: Viral Replication Strategies

Set 9: Bacterial Genetic Analysis

Set 10: Microbial Genomics

Set 11: Regulation of Gene Expression

Set 12: Microbial Biotechnology

Set 13: Metabolism

Set 14: Biogeochemical Cycles

Set 15: Microbial Ecosystems

Set 16: The Microbiology of Food and Water

Set 17: Microbial Symbionts

Set 18: Introduction to Infectious Diseases

Set 19: Innate Host Defenses Against Microbial Invasion

Set 20: Adaptive Immunity

Set 21: Virulence Factors and Pathogenic Mechanisms of Bacterial Infections

Set 22: Viral Pathogenesis

Set 23: Eukaryal Microbe Pathogenesis

Set 24: Control of Infectious Diseases

Set 7 Dna Replication And Gene Expression

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Set 7 Dna Replication And Gene Expression

(Multiple Choice)

Free

What is the first protein to bind to the oriC region of the DNA molecule to start the replication process?

A)DNA polymerase
B)the primase
C)DnaA
D)gyrase
E)DnaI

Answer

(Multiple Choice)

Free

The main differences between Bacteria and Archaea chromosomal DNA when compared to Eukarya chromosomal DNA,is that the Bacteria or Archaea chromosome usually:

A)is circular while Eukarya is linear.
B)is diploid while Eukarya is haploid.
C)consist of several chromosomes while Eukarya has a single chromosome.
D)contains the base uracil while Eukarya has thymine in place of uracil.
E)is found in a non-condensed form while Eukarya DNA is highly condensed and packaged.

Answer

(Multiple Choice)

Free

The Watson-Crick model of DNA shows that the base adenine pairs with:

A)cytosine while guanine pairs with thymine.
B)guanine while cytosine pairs with thymine.
C)thymine while cytosine pairs with guanine.
D)either thymine or guanine,while cytosine pairs with either thymine or guanine.
E)either thymine or cytosine while guanine pairs with either thymine or cytosine.

Answer