Which of the following bacterial arrangements is the result of snapping division?
A) tetrads
B) palisades
C) strepto-
D) sarcinae
E) staphylo-
B
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Beadle and Tatum used nutritional mutants called ____ to study the relationship between genes and proteins in
Neurospora.
a. transposons b. chaperones c. polysomes d. auxotrophs e. wild types
The fitness of an individual is measured by
A) the proportion of heterozygous alleles within its genome. B) its body size. C) its efficiency in obtaining energy. D) the proportionate contribution it makes to future generations.
Genes associated with embryonic development are known as
A) homologous genes. B) sigma factors. C) heterologous genes. D) hopanoids. E) homeotic genes.
Testing for _______includes culture and sensitivity of infected body tissues or nasal secretions.
a. rickettsial infections b. tuberculosis c. MRSA d. bacterial infections