If the vas deferens tubes are cut and tied (vasectomy), the semen will not contain:
a. fructose
b. buffers
c. mucus
d. sperm
e. any secretions
d
You might also like to view...
External cues such as increasing day length or warming after a cold snap stimulate gibberellin
synthesis, which results in bolting in plants such as cabbages.
Indicate whether the statement is true or false.In the universal ABO blood grouping system,
there are four phenotypes: A, B, AB, and O. Various populations have different frequencies of these four phenotypes but, in most populations O is most common and AB least common. The ABO blood grouping system exemplifies
a. polymorphism. b. genetic drift. c. the bottleneck effect. d. the Red Queen effect. e. the founder effect.
The primary ions that contribute to the salinity of ocean waters are
A) calcium and sodium. B) sodium and chloride. C) sodium and carbonate. D) calcium and chloride.
Which of the following is NOT a product of photosynthesis
a) water b) oxygen c) sugars d) carbon dioxide e) none of the above; all are products of photosynthesis