The _____ is an external genital structure in the male that contains the testes.
A. prostate
B. phallus
C. scrotum
D. fourchette
C. scrotum
You might also like to view...
DNA of thermophiles is stabilized by binding of special nucleoid-associated proteins.
Answer the following statement true (T) or false (F)
Which of the following characteristics do all viruses have in common?
A. They are all non-living. B. They all have DNA genomes. C. They all have a broad host range. D. They all infect eukaryotes. E. They all contain a capsid surrounded by a fatty envelope.
Bryophytes differ from other land plants in that they do not have
a. lignified water transport tissue. b. protected sporophyte embryos. c. spores. d. a gametophyte generation. e. a diploid generation.
If complementary DNA strands were arranged in a parallel manner, what would you expect to see?
A) Complementary nucleotides would be attracted to each other, forming ionic bonds that would make the helix stable but not uniform in width. B) Charges of complementary nucleotides would repel and no hydrogen bonds would form. C) Complementary nucleotides would line up properly; but fewer hydrogen bonds would form, so the strands could be more easily pulled apart. D) Purines would pair with both purines and pyrimidines due to the closer alignment of the parallel strands. E) There would be no discernable difference between DNA strands aligned in a parallel versus an antiparallel manner.