A drug that can create polyploids is known as ________
A) growth hormone
B) astaxanthin
C) colchicine
D) arrestin
E) carrageenan
C
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The fungi with the ability to break down lignin
are the ___ fungi.
a. club b. zygote c. sac d. club and sac e. club and zygote
A one-way relationship in which one species
benefits at the expense of another is a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. a neutral relationship
The accuracy of the capture-recapture methods
depends on all of the following EXCEPT that a. marked individuals are recaptured at random. b. unmarked individuals are captured at random. c. none of the marked individuals are overlooked. d. no marked individual dies or departs during the study. e. no new individuals are produced during the study.
You have isolated a mutant in which a fraction of the new cells die soon after cell division and a fraction of the living cells have an extra copy of one or more chromosomes
When you grow the cells under conditions in which they transit the cell cycle more slowly, the defect disappears, suggesting that the mitotic spindle and segregation machinery are normal. Propose a basis for the defect.