A plant will usually wilt when which component of water potential reaches 0 MPa?
A. solute potential
B. turgor pressure
C. total water potential
D. gravity potential
B. turgor pressure
When the pressure potential reaches 0 MPa within a cell, there is no more turgor pressure. This pressure is necessary to keep the cell wall rigid and to keep the plant from wilting.
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Organisms that reproduce asexually usually do so through the process of ____
a. mitosis b. meiosis c. gametogenesis d. spore formation e. fertilization
What function does bile play during digestion?
a. It further breaks down proteins in the gall bladder. b. It assists in the absorption of monosaccarides, amino acids, vitamins, and other nutrients by the cells in the intestinal lining. c. It makes lipids accessible to the water-soluble enzymes. d. It helps feed intestinal flora that aid in the digestion process, particularly in the large intestine.
Membranes that do not contain glands are called
A. espiratory B. serous C. dense D. mucous
Human males produce
A. sperm; half contain an X chromosome; half contain a Y chromosome. B. sperm with neither an X nor a Y; gametes do not contain sex chromosomes. C. gametes; all contain a Y chromosome. D. gametes; all contain both an X chromosome and a Y chromosome. E. sperm; all contain an X chromosome.