When a tetraploid flower pollinates a diploid flower of the parental species, the resulting offspring will be
A) pentaploid and sterile.
B) diploid and fertile.
C) triploid and fertile.
D) triploid and sterile.
Answer: D
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Fill in the blank(s) with the appropriate word(s).
Phosphofructokinase is stimulated by high levels of ATP
__________________ Indicate whether the statement is true or false.
About which of these did Darwin have a poor understanding?
A) that individuals in a population exhibit a good deal of variation B) that much of the variation between individuals in a population is inherited C) the factors that cause individuals in populations to struggle for survival D) the sources of genetic variations among individuals E) how a beneficial trait becomes more common in a population over the course of generations
In the expression 2H2S + 3O2 ® 2H2O + SO2, which is the acid?
A. H2S B. O2 C. SO2 D. H2O