A bridge is formed between the activators at the enhancer and the proteins at the promoter and promoter proximal
region by ____.
a. hormones
b. RNA polymerase II
c. repressors
d. inducers
e. coactivators
ANSWER: e
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Which of the following are types of leukocytes? (Check all that apply.)
_____ B cells _____ basophils _____ eosinophils _____ erythrocytes _____ monocytes _____ neutrophils _____ T cells
If the DNA triplets were ATG?CGT, the tRNA anticodons would be
a. AUG?CGU. b. ATG?CGT. c. UAC?GCA. d. UAG?CGU. e. CGT-ATG.
Which phrase describes a bacterial flagellum?
a. It is the same in composition as archaeal flagellum. b. It is made of rigid helical proteins, c. It enables bacteria to adhere to a surface. d. It enables bacteria to move along a surface.
Invertebrate chordates include __________ and __________, both marine filter-feeders.
Fill in the blank(s) with the appropriate word(s).