Industrial smog in cold, wet winters is what color?
a. red
b. brown
c. yellow
d. black
e. gray
ANSWER: e
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Which statement best describes the relationship between a carpel and a pistil?
A. The two terms are merely two names for the same thing. B. A pistil is part of a male component of the flower whereas a carpel is part of a female component. C. A pistil can be composed of either a single carpel (in which case the two terms are synonymous) or of two or more carpels fused together. D. A pistil is a reproductive part of a flower whereas a carpel is a showy vegetative part. E. A pistil is part of the female component of a flower and a carpel is not even a flower part at all.
If a diploid organism has a genome consisting of four pairs of homologous chromosomes, it can produce ____
different combinations of maternal and paternal chromosomes in gametes (disregarding crossing over). a. 4 b. 8 c. 12 d. 16 e. 32
During a two week course of antibiotics, bacteria can go through over ____ generations
a. 100 b. 500 c. 1000 d. 10,000 e. 1,000,000
Cells that can give rise to more of its kind along with at least one variety of specialized cell are known as:
A) stem cells. B) nerve cells. C) egg cells. D) somatic cells. E) blastocysts.