Exam (elaborations)
SCB 260 :GENERAL MICROBIOLOGY VERIFIED EXAM 100% SOLVED ACCURATELY GRADED PASS
- Course
- Scb 260
- Institution
- La Guardia Community College
SCB 260 :GENERAL MICROBIOLOGY VERIFIED EXAM 100% SOLVED ACCURATELY GRADED PASS
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lOMoAR cPSD| 42091925SCB 260 :GENERAL MICROBIOLOGY
VERIFIED EXAM 100% SOLVED
ACCURATELY GRADED PASS
, lOMoAR cPSD| 42091925
SCB260
Exam 2
Name: Date:
1. If two organisms have similar rRNA sequences, you can conclude that they
A. live in the same place.
B. evolved from a common ancestor.
C. will have different G-C ratios.
D. will both ferment lactose.
2. A genus can best be defined as
A. a taxon composed of families.
B. a taxon composed of one or more species and a classification level lying below family.
C. a taxon belonging to a species.
D. a taxon comprised of classes.
E. the most specific taxon.
3. Which of the following is the best evidence for a three-domain system?
A. Nucleotide sequences in ribosomal RNA vary between all three domains.
B. There are three distinctly different sets of metabolic reactions.
C. There are three distinctly different Gram reactions.
D. Some bacteria live in extreme environments.
E. There are three distinctly different types of nuclei.
4. Which of the following is NOT based on nucleic-acid hybridization?
A. DNA chip
B. FISH
C. PCR
D. Southern blotting
E. Western blotting
5. Nucleic acid hybridization is based on the fact that
A. the strands of DNA can be separated.
B. a chromosome is composed of complementary strands.
C. pairing between complementary bases occurs.
D. DNA is composed of genes.
E. all cells have DNA.
Table 1
1. 9+2 flagella
2. Nucleus
3. Plasma membrane
4. Peptidoglycan
5. Mitochondrion
6. Fimbriae
6. In Table 1, which features are found in nearly all eukarya?
A. 2, 3, 5
B. 1, 4, 6
C. 3, 5
D. 2, 3
E. 1, 2, 5
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