Biology, 12.02.2021 06:00 brockmerino
Which of the following sentences best describes osmosis?
A. The cell uses energy to pump molecules across the membrane.
B. Water molecules flow from high to low concentration.
C. Water molecules flow from low to high concentration.
D. No cellular energy is required to move glucose molecules across the membrane
Answers: 2
Biology, 22.06.2019 15:30
Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit
Answers: 1
Biology, 22.06.2019 16:30
In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?
Answers: 1
Which of the following sentences best describes osmosis?
A. The cell uses energy to pump molecules...
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