Multiple Choice
A researcher engineers a deletion in the genome of sperm cell DNA that inhibits production of an enzyme in the sperm cell membrane. The researcher then adds the sperm to a culture dish with a secondary oocyte, along with chemicals to guide the sperm to the oocyte. Upon observation, it is found that the sperm fails to penetrate the corona radiata of the oocyte. What enzyme has been deleted from the sperm membrane?
A) Hyaluronidase
B) Juno
C) Catalase
D) Acetylcholinesterase
Correct Answer:
Verified
Correct Answer:
Verified
Q83: The process of growing old is called
Q84: Dizygotic twins result from<br>A)one egg cell and
Q85: Some women prolong breastfeeding or lactation in
Q86: The major body parts derived from mesoderm
Q87: Fertilization usually occurs in the<br>A)ovary.<br>B)uterine tube.<br>C)uterus.<br>D)vagina.
Q89: Aging-related changes include shrinking of the prostate
Q90: Progesterone in semen stimulates the movement of
Q91: Upon examination of a zygote, a developmental
Q92: Centenarians are<br>A)people who live past 90.<br>B)people in
Q93: Preimplantation genetic diagnosis works because<br>A)the donor and