FINAL OLD Flashcards
One micron is equivelant to how many meters?
1x10^-6m
Which of the following is NOT true of bacterial plamsids?
a. They can exist and replicate independently of the chromosome.
b. They may carry genes for drug resistance.
c. They are required for host growth and/or reproduction.
d. They may carry genes that enhance the metabolic capabilities of the bacterium.
C
The flagellum is attached to the cell body by a ______ in a prokaryote?
Basal body
How are ribosomal subunits usually designated?
Based on size
Chemotaxis is when cells with flagella use runs and tumbles to move toward an attractant?
TRUE
Which of the following is not directly used in replication? A. DNA B. RNA polymerase C. Okasaki fragments D. Helicase E. Superoxide dismutase
E. Superoxide dismutase
In eukaryotic microorganisms where does chemiosmosis occur? A. Mitochondrial membrane B. cytoplasm C. endoplasmic reticulum D. nuclear membrane E. none of the above
A. Mitochondrial membrane
Which of the following nucleotides are involved in protein synthesis? A. mRNA B. tRNA C. rRNA D. RNA primer sequence
A, B, C
- Of the many types of RNA (mRNA, tRNA, rRNA, miRNA, etc) involved in translation, only mRNA and tRNA are translated.
FALSE
Tetracyclines
Protein synthesis
Quinalones
DNA replication
Sulfanomides
Folic acid synthesis
Chloramphenicols
Protein Synthesis
Penicillin
Cell Wall
The flagellum is attached to the cell body of a prokaryote via a____
Basal body
8. The toxic effects of oxygen metabolism are mitigated by which of the following enzymes in aerobes? A. Catalase B. lactase C. RNA polymerase D. Superoxide dismutase E. ATP synthase
A & D
- Cell mediated immunity (CMI) is defined by which of the following characteristics?
a. The production of IgM and IgG
b. The production of specific T-cell clones
c. T-cells presenting antigen
d. All of the above
B T cell clones
- Which of the following are applications of genetic cloning?
a. Protein production, alter organism function
b. Normal immune protection
c. Complimentarity and reproduction
d. All of the above
A - protein production and alter organism function
- What following DNA characteristics and/or enzymes are used in a Southern Blot analysis?
a. complimentarity
b. restriction endonuclease
c. heat denaturation
d. ligase
e. none of the above
A, B, C