The transport of two molecules across the cell membrane in the same direction is called ________.
Fill in the blank(s) with the appropriate word(s).
symport
Biology & Microbiology
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Along with lipids, the skin of amniotes is filled with ____ to help prevent water loss
a. squalene b. bone c. keratin d. collagen e. albumin
Biology & Microbiology
All of these terms refer in some way to sex
cells except
a. gametes. b. germ cells. c. haploid cells. d. zygotes. e. there is no exception; all of these terms refer to sex cells in some way.
Biology & Microbiology
A "5? cap":
a. prevents translation. b. prevents the binding of ribosomes. c. marks the mRNA for degradation. d. is added to mRNA but not pre-mRNA. e. protects mRNA from degradati
Biology & Microbiology
In some forms of breast cancer, estrogen is a(n)
A) initiator. B) promoter. C) suppressor. D) inhibitor. E) mutagen.
Biology & Microbiology