After acrosomal reactions occur in one location, why does an egg release proteins in other locations?
a. To prevent multiple sperm from fertilizing the egg
b. To ensure that rapid cell division takes place
c. To protect the developing embryo
d. To allow implantation of a blastocyst
a. To prevent multiple sperm from fertilizing the egg
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Osmosis refers to the diffusion of ________ across a semipermeable membrane
a. water b. all dissolved solutes c. any dissolved solute d. both water and any dissolved solute
Pascal's principle
What will be an ideal response?
Four of the following explain the area effect on island diversity. Which one is the exception?
A. Larger islands have more habitats. B. Smaller islands have more varied and higher elevations. C. Larger islands intercept more colonizers. D. Smaller islands have less complex topography. E. Smaller islands have a greater probability of a species becoming extinct.
Sexually transmitted chlamydia is similar to infection with Yersinia pestis in that they both can produce
A) urethritis. B) pelvic inflammatory disease in females. C) conjunctivitis. D) buboes. E) pneumonia.