Epidermal growth factor ________
a. activates a kinase
b. all of the choices
c. invites gene transcription
d. is a signal to start mitosis
b
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Where is gene expression mostly regulated in prokaryotes?
a. At the translational level b. At the epigenetic level c. At the transcriptional level d. At the post-transcriptional level
Glyptodonts are fossil forms that resemble ____
a. ostriches b. armadillos c. kangaroos d. turtles e. sloths
The activation energy of a reaction refers to the
minimum amount of energy a. released by the reaction. b. in the reactants. c. in the products. d. necessary to cause it to proceed on its own. e. difference between the energy of the reactants and the energy of the products.
The maintenance of a constant environment in a cell is called ________.
A. translation B. homeostasis C. gene expression D. active transport