Regarding fertilization, which of the following events happens first?
A. The cortical reaction
B. The acrosomal reaction
C. Formation of a fertilization membrane
D. The slow block to polyspermy
E. The fast block to polyspermy
Answer: B
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Which of the following is a nonmembranous organelle?
A) nucleolus B) Golgi apparatus C) microvilli D) centriole E) All of the answers are correct.
Trace elements such as zinc and manganese are found in minute quantities in the body but do not serve any known function.
Answer the following statement true (T) or false (F)
The diameter of the airways in normal lungs is generally great enough that little resistance is offered to airflow
Indicate whether the statement is true or false.
Which type of synovial joint has concave surfaces of the bones that articulate with one another?
A. Gliding B. Saddle C. Hinge D. Ball and socket