吉林大学
第一章单元测试
The time between fertilization and birth is called ___________.
What’s the function of mucus?
Where does the union of a human egg and sperm usually occur in?
The head of the sperm contains______________.
The organelles, which are responsible for giving energy to propel the sperm towards the egg are called______?
A:prenatal period B:germinal period C:perinatal period D:fetal period
答案:prenatal period
A:Transformed by hormones to from a barrier into a chemical rope ladder for sperm to enter the cervix
B:To enable the sperm to burrow into the corona radiata C:To attack the sperm from all directions D:To block the entrance of the sperm to the woman’s womb for all time
答案:Transformed by hormones to from a barrier into a chemical rope ladder for sperm to enter the cervix
A:vagina B:the ampulla of the fallopian tube C:ovary D:cervix
答案:the ampulla of the fallopian tube
A:the nucleus and the flagellum B:the nuclei and the acrosome C:the nuclei and the flagellum D:the nucleus and the acrosome
答案:the nucleus and the acrosome
A:mitochondria B:flagellums C:torpedoes D:gametes
答案:mitochondria
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