Which of the following activates the egg?
A. entrance of sperm into the zona pellucida
B. contact of sperm with the outside of the zona pellucida
C. contact of sperm with the vitelline envelope
D. fusion of sperm and egg membranes
E. fusion of sperm and egg nuclei
D. fusion of sperm and egg membranes
You might also like to view...
A neutralizing antibody against a toxin is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Which one of the following methods of antimicrobial susceptibility testing is the most accurate? (Note: information about susceptibility testing can be found on the CD-ROM that accompanies this book.)
A) agar dilution method B) disk-diffusion method C) macro broth dilution method D) micro broth dilution method
____________ mutations are the underlying cause of most types of cancer
A. X-linked D. Y-linked B. Somatic E. Mitochondrial C. Viral
A recently recognized bacterial STD that is gaining prevalence over gonorrhea is caused by ______.
A. Mycoplasma genitalium B. Trichomonas vaginalis C. HIV D. Chlamydia E. HPV