In which situation would passive transport occur without a transport protein for facilitation?

a. water flowing into a hypertonic environment
b. oxygen moving into a cell after oxygen deprivation
c. glucose being absorbed from the blood
d. an ion flowing into a nerve cell to create an electrical potential


b. oxygen moving into a cell after oxygen deprivation

Biology & Microbiology

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Processes that supply ATP, reducing power, and precursor metabolites are collectively referred to as ________ reactions.

A. synthetic B. generating C. redox D. fueling

Biology & Microbiology

Four of the five answers listed below are heterotrophic. Select the exception

a. consumers b. carnivores c. herbivores d. parasites e. producers

Biology & Microbiology

Which aspect of truffle mushrooms drives their commercial importance?

A) size B) smell C) taste D) texture

Biology & Microbiology

In 1964, the Skipper, Gilligan, and their passengers are shipwrecked! Unknown to them, the rest of the world annihilates each other in a nuclear warm and they are the last 17 people on the earth. What evolutionary force would be primarily responsible for the genetic makeup of remaining human 2,000 years later?

A. Natural selection B. Genetic drift C. Gene flow D. Mutation E. Non-random mating

Biology & Microbiology