Activated genes can be inactivated by reversing histone modification during a process called ____
a. chromatin remodeling
b. histone remodeling
c. chromatin interference
d. interference remodeling
e. histone interference
a
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Which one of the following cellular processes occurs in the nucleus of a eukaryote?
A. transcription B. RNA processing C. translation D. DNA replication
The ______________ of a species is usually the result of predation, competition, and other types of interaction between species
A. habitat B. fundamental niche C. realized niche D. abiotic environment E. resource partitioning
Based on the theory of natural selection, how would a beneficial mutation change the gene pool?
a. The beneficial mutation would spread slowly throughout the population increasing the frequency of the mutation. b. The beneficial mutation would spread rapidly throughout the population increasing the frequency of the mutation. c. The beneficial mutation would not spread throughout the population so the gene pool would not be affected. d. The beneficial mutation would spread rapidly throughout the population increasing the frequency of the mutation, but then slow down over time.
Sugar is translocated in phloem from a source, or an area of ____, to a sink, or an area of ____
a. low sugar concentration; high sugar concentration b. high sugar concentration; low sugar concentration c. positive water potential; negative water potential d. negative water potential; positive water potential e. low pressure; equally low pressure