When a cell is placed in a hypotonic solution,
a. solute exits the cell to equalize the concentration on both sides of the membrane.
b. water exits the cell toward the area of lower solute concentration.
c. water enters the cell toward the area of higher solute concentration.
d. there is no net movement of water or solute.
c. water enters the cell toward the area of higher solute concentration.
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Identify the stage of mitosis shown in panel A
a. interphase b. prophase c. metaphase d. anaphase e. telophase
The organisms that occupy the first trophic level near
hydrothermal vents are a. detritivores. b. chemosynthetic bacteria. c. decomposers. d. photosynthetic bacteria. e. chemotrophic heterotrophs.
Y-linked traits are ____
a. known as homozygous traits b. known to skip generations in males c. carried only by males and transmitted only to males d. carried only by females, but are never expressed e. passed on to only 50% of female progeny
The production of female gametes begins when a mass of tissue, called the ____, starts growing on the inner wall of an ovary.
A. zygote B. ovule C. endosperm D. carpel E. stigma