A particular cell contains all of the standard histones but lacks several histone variants. Which of the following MAY be true of this cell?
A. The cell will be completely unable to remodel its chromatin.
B. The cell will have an enhanced ability to chemically modify its histones.
C. The cell will be unable to express any of its genes at all.
D. The cell will express different sets of genes than other cells in the same organism
E. The cell will not be able to divide.
D
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The simultaneous use of both organic and inorganic forms of carbon is called ________.
A. metatrophy B. osmotrophy C. omnitrophy D. mixotrophy
If a light-eosin eye male Drosophila is crossed to a homozygous red eyed female, what will be the phenotype of their offspring?
A. All offspring will have red eyes B. All males will have light-eosin eyes and all females will have eosin eye C. All females will have red eyes, all males will have light-eosin eyes. D. All flies will have white eyes.
Reverse transcriptase synthesizes
A. a negative RNA strand from a positive RNA strand. B. viral RNA from DNA. C. viral DNA from RNA. D. a positive RNA strand from a negative RNA strand.
A population of people who have lived in the middle of the jungle for thousands of years without
coming in contact with other individuals would show evidence of: a. genetic stasis. b. genetic equilibrium. c. random mating. d. an increase in non-harmful alleles. e. genetic polymorphism.