Unusual cellular extensions called prosthecae are associated with which of the following groups of proteobacteria?
A) alphaproteobacteria
B) betaproteobacteria
C) gammaproteobacteria
D) deltaproteobacteria
E) epsilonproteobacteria
A
Bloom's Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.18
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The lumen of a transverse tubule is occupied by
A. sarcomeres. B. actin. C. cytoplasm. D. extracellular fluid. E. myosin.
If an atom has 22 electrons, it is
a. reactive b. not reactive
Arranging homologous pairs of chromosomes in order from longest to shortest is called:
A. a karyotype. B. chromosome painting. C. chromosome numbering. D. a nuclear genome. E. Both chromosome painting and chromosome numbering are correct.
Which of the following does NOT affect the rate of diffusion?
a) solvent density b) temperature c) mass of the molecule diffusing d) extent of the concentration gradient e) all of these affect the rate of diffusion