The accompanying figure shows a portion of the cell membrane. Which one of the following processes does it depict?
A) diffusion
B) endocytosis
C) facilitated diffusion
D) gated channels
E) exocytosis
B
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Alcohols are widely used as antiseptics and disinfectants because they are effective against endospores as well as vegetative cells.
Answer the following statement true (T) or false (F)
In order to survive and reproduce, a cell needs
a. an energy source. b. raw materials. c. a suitable environment. d. DNA. e. all of these
Rhizopus stolonifer , commonly known as bread mold, is a(n):
1.Ascomycete
2.Basidiomycete
3.Chytrid
4.Zygomycete
Estrogens from birth control pills
a. are excreted in the urine. b. are removed during standard wastewater treatment. c. can cause female fish to develop male traits. d. have different effects in fish than those of industrial estrogen-mimicking pollutants. e. do none of these.