What characteristics of crop pests favor the development of pesticide resistance?
a. widespread use of pesticides c. short generation times in insects
b. application of ineffective pesticides d. A and C
D
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If you eliminated all sources of calcium (dairy products, some vegetables) from your diet, the level of ____ would rise
in an attempt to supply calcium stored in your body to the tissues that need it.
a. aldosterone b. calcitonin c. mineralocorticoids d. parathyroid hormone e. GH
If red blood cells are taken from the body and placed in a hypertonic solution, what happens to the cells?
A) The cells remain unchanged due to equal solute concentrations inside and outside the cells. B) The cells remain unchanged due to equal water concentrations inside and outside the cells. C) They become white blood cells. D) The cells swell and burst because water moves into them. E) The cells shrivel up because water leaves them.
The tendency of an atom to pull electrons toward itself is referred to as its ________________
Fill in the blank(s) with the appropriate word(s).
Neisseria gonorrhoeae can cause infection by
a. producing enzymes that degrade peptidoglycan. b. producing virulence factors that breakdown cellulose. c. producing enzymes that modify their cell wall to evade lysozyme. d. producing enzymes that destroy antibodies on the surface of mucosal cells.