With the exception of some gram-positive cocci, what concentration of NaCl inhibits nearly
A) 2.5%
B) 5%
C) 7.5%
D) 10%
Answer: C
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Alternative splicing
_____ results in different proteins in the same family. _____ is important for multicellular organisms with different cell types. _____ results in proteins that can quickly be activated and deactivated. _____ is a gene regulatory mechanism in eukaryotes but not prokaryotes. _____ have pre-RNA that are the same as other genes.
Endophytes that colonize leaves to feed on the dead tissue are examples of
A. decomposers. B. detritovores. C. producers. D. herbivores. E. carnivores.
Which of the following forms of contraception is removable?
A. An intrauterine device B. A tubal ligation C. A vasectomy D. None of these
Which of the following is NOT a characteristic of the
plants with which Mendel worked? a. They produce male and female parts. b. They exhibit blending inheritance. c. They normally self-fertilize. d. They have many different contrasting traits and exhibit some pure-breeding varieties. e. They can easily be cross-fertilized by human manipulation.