Certain properties of water—its cohesion, surface tension, and resistance to temperature change—are all:
A. a function of the partial negative charge on
the H atoms of a water molecule.
B. a function of the hydrogen bonds within a
water molecule.
C. a function of the hydrogen bonds between
water molecules.
D. a function of the non-polar covalent bonds
between the H and O atoms within a water
molecule.
C
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A mutualistic association between a plant root and a fungus is known as a
a. sac fungus. b. lichen. c. mycorrhizal root. d. club fungus.
Which of the following events occur(s) during the
follicular phase of the menstrual cycle? a. An ovarian follicle enlarges. b. A zona pellucida forms around the oocyte. c. An oocyte completes meiosis I. d. Estrogen levels increase. e. All of these occur.
The receptors for peptide hormones are located ____
a. in the cytoplasm b. on the mitochondrial membranes c. in the synapse d. on the exterior surface of the cell membrane e. in the nucleus
Platelets in mammals are functionally the same as ____ in other vertebrates
a. neutrophils b. eosinophils c. thrombocytes d. monocytes e. lymphocytes