Species of __________ infect crop plants such as
potatoes and forest trees such as oak.
a. dinoflagellates
b. foraminiferans
c. yeasts
d. water molds
e. prions
Answer: d
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The ultimate source of energy for humans comes from what source?
A. The sun B. Plants C. Water D. Air E. Animals
Candida is another name for
a. baker’s yeast. b. brewer’s yeast. c. slime molds. d. yeast that can cause vaginal infections
Suppose that in plants, smooth seeds (S) is dominant to wrinkled seeds (s) and tall plants (T) is dominant to short plants (t). An F1 tall plant with smooth seeds was crossed to a parent plant that was short and wrinkled. What proportion of the progeny is expected to be heterozygous for tall and smooth?
A) 1/2 B) 1/4 C) 1/8 D) 1/16 E) 0
Which of the following represents an abnormal electrolyte serum level?
A) Sodium, 140 mEq/L B) Potassium, 6 mEq/L C) Calcium, 9.5 mEq/L D) Magnesium, 1.7 mEq/L