Which statement explains why oxygen molecules easily diffuse across a cell membrane while protein molecules do not? A. Oxygen gas exists as molecules, but proteins are either liquids or solids. B. Oxygen molecules fit between fatty acids, but protein molecules are too big. C. Proteins contain oxygen that is more useful inside a cell than outside the cell. O D. Protein molecules form membrane channels that oxygen molecules can pass through.
Answers: 3
Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
Answers: 2
Biology, 22.06.2019 23:00
Which individual would be the safest from a lightening strike? a. a person standing 8 miles away b. a person on a bike 8 miles away c. a person in a tent 8 miles away d. a person in a house 8 miles away select the best answer from the choices provided a b c d
Answers: 1
Which statement explains why oxygen molecules easily diffuse across a cell membrane while protein mo...
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