The acrosome
A. provides nourishment to the sperm.
B. is responsible for movement of a spermatozoan.
C. contains enzymes to break through protective layers surrounding the secondary oocyte.
D. initiates growth of the sperm tail.
E. carries the DNA.
Answer: C
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The liver parenchyma, gallbladder, pancreas, and biliary apparatus develop from the endoderm of the
A. hepatic crest. B. transverse colon. C. lesser omentum. D. umbilical cord. E. duodenum.
One of the functions of synovial fluid is to act as a shock absorber that distributes force evenly across the joint surface
Indicate whether this statement is true or false.
The reflex that prevents a muscle from exerting too much tension is the
A) tendon reflex. B) stretch reflex. C) crossed extensor reflex. D) reciprocal reflex. E) flexor reflex.
Which is an example of passive immunity?
A. Becoming sick with a virus B. The transfer of antibodies from mother to fetus through the placenta C. An injection of a weakened virus