In the accompanying figure, what is the function of the structure that is labeled as 7?
a. maintaining sperm below body temperature
b. storing of mature sperm
c. producing prostaglandins
d. producing nutritive fluid to support active sperm
e. producing alkaline fluid to protect sperm in the vagina
a
You might also like to view...
The protein-coding gene sequences in humans and chimpanzees
A. are vastly different. B. are about 50% alike. C. are about 80% alike. D. are more than 99% alike. E. are identical.
With which type of microscopy would one observe three-dimensional structure?
A. fluorescence microscopy B. standard light microscopy C. confocal microscopy D. differential-interference light microscopy E. transmission electron microscopy
Unlike most other animals, sponges lack which of the following?
a. a digestive tract only b. a symmetrical body plan only c. tissues only d. a digestive tract and a symmetrical body plan only e. a digestive tract, a symmetrical body plan, and tissues
The reaction catalyzed by reverse transcriptase is
a. DNA ? mRNA. b. mRNA ? cDNA. c. mRNA ? protein. d. DNA ? DNA. e. tRNA ? mRNA.