Without the ________, the semen would not naturally be able to counteract the acidity of the vagina
A) glans penis B) interstitial cells C) seminal vesicles D) prostate
Answer: D
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Which statement best describes the interactive view of communities?
a. Species exhibit similar distributions along environmental gradients, and the boundaries between communities are sharp. b. Species distributions are independent, and the boundaries between communities are wide transition zones. c. Species exhibit similar distributions along environmental gradients, and the boundaries between communities are wide transition zones. d. Species distributions are independent, and the boundaries between communities are sharp. e. Species exhibit the same distribution along environmental gradients, and there are no boundaries between communities.
Males and females often differ in their reproductive strategies due to the fact that males can increase
the number of offspring they produce by ____ while females reproduce most successfully by ____.
a. mating with a high-quality female; mating with a high-quality male b. driving off other males; defending a productive territory c. defending a productive territory; enlisting multiple males to aid in raising her offspring d. mating with multiple females; mating with a high-quality male e. mating with multiple females; mating with multiple males
The chemical bond connecting one nucleotide with the next along one strand of a DNA molecule is called a
A. hydrogen bond. B. phosphodiester bond. C. phosphate bond. D. glycosidic bond. E. peptide bond.
You discover a new mutation in Drosophila that causes an abnormal wing shape. When a male fly with this mutation is crossed to a homozygous normal female, the F1 are all wild-type phenotypically. The F2 flies consist of 1/2 phenotypically normal females, 1/4 phenotypically normal males, and 1/4 males with abnormal wings. What is the MOST likely explanation for the new mutant allele?
A. It is Y linked. B. It is X linked and recessive. C. It is X linked and dominant. D. It is autosomal and recessive. E. It is autosomal and dominant.