Which of the following classification methods relies on the morphology of organisms?
A) phage typing
B) physical characteristics
C) biochemical tests
D) analysis of nucleic acids
E) serological tests
B
Bloom's Taxonomy: Knowledge
Section: Classification and Identification of Microorganisms
Learning Outcome: 4.23
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When trying to make a mammalian protein in a bacterium, expression vectors are often used. Using your knowledge of prokaryotic and eukaryotic genetics, explain why expression vectors are so important
What will be an ideal response?
The continental rise is composed of sediments deposited from:
a. biological activity. b. underwater landslides. c. midocean ridges. d. windblown sources. e. cosmogenous sources.
Maternal effect mutations can be identified when
A) homozygous mutant females exhibit an abnormal phenotype, whereas mutant males appear wild-type. B) homozygous mutant females can develop normally, but their offspring exhibit a mutant phenotype. C) heterozygous mutant females can develop normally, but their offspring exhibit a mutant phenotype. D) any aspect of embryonic development is abnormal.
Because enzymes affect the speed of chemical reactions without being consumed, they are referred toas:a
hydrogen acceptors. b. activation energy. c. catalysts. d. cytochromes. e. transformation proteins.