Most males born with an extra Y chromosome
A) die shortly before or after birth.
B) are violent and anti-social.
C) are tall but are otherwise normal.
D) are phenotypically female.
C) are tall but are otherwise normal.
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____ is the most common form of food capture by animals
Fill in the blank with the appropriate word.
Which of the following is not a way chromatin remodeling complexes affect nucleosomes?
A. They can slide a nucleosome to a different location. B. They can modify the N-terminal tails of histones. C. They can eject a nucleosome from the DNA. D. They can replace the nucleosome with a new nucleosome that contains a variant histone. E. All of these choices are correct.
. Four of the five answers listed below are
relationships in which at least one of the interactants benefits. Select the EXCEPTION.
a. competition b. parasitism c. mutualism d. commensalism e. predation
Which of the following is an inherited disorder in which skeletal muscle fibers break down?
a. sclerosis b. dystrophy c. atrophy d. sarcoma e. tetanus