Which of the following is the last step in the process of fertilization?
A. A sperm fuses with the egg's plasma membrane.
B. The capacitated sperm release their acrosomal enzymes to penetrate through the cells surrounding the egg.
C. The sperm nucleus enters the egg, and the egg immediately prevents any further sperm from gaining access by forming a fertilization membrane that a sperm cannot penetrate.
D. The nuclei of the sperm and egg rupture within the fertilized egg and the chromosomes mix to form a single nucleus.
Answer: D
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Fill in the blank(s) with correct word
NaCl is an example
What will be an ideal response?
The outermost layer of Schwann cells makes up which of the following?
A. The neurilemma B. The axolemma C. The axoplasm D. The myelin E. The endoneurium
Place these leukocytes in order from the most common to the least common: 1 ) basophil 2 ) eosinophil 3 ) lymphocyte 4 ) monocyte 5 ) neutrophil
A) 1, 2, 3, 4, 5 B) 3, 4, 5, 1, 2 C) 5, 3, 2, 4, 1 D) 5, 2, 3, 1, 4 E) 5, 3, 4, 2, 1