Which of the following BEST distinguishes between zygotes and embryos?
A) Zygotes are fertilized eggs within the oviduct;embryos are fertilized eggs in the uterus.
B) Fertilized eggs are called zygotes until they implant in the uterine lining and embryos after that.
C) Fertilized eggs are zygotes until they begin to divide,at which time they are called embryos.
D) Zygotes are eggs that haven't been fertilized;embryos are fertilized eggs.
E) Embryos are eggs fertilized in the oviducts;zygotes are eggs fertilized in the uterus.
Correct Answer:
Verified
Q70: Normally,fertilization occurs in the _,and implantation occurs
Q71: Luteinizing hormone is produced by the _.
A)
Q72: Release of an egg is triggered by
Q73: Human chorionic gonadotropin (hCG)is produced by _.
A)
Q74: The corpus luteum secretes _.
A) estrogen
B) progesterone
C)
Q76: The anterior pituitary gland secretes _.
A) estrogen
B)
Q77: The _ becomes the corpus luteum.
A) follicle
B)
Q78: Follicle-stimulating hormone _.
A) is responsible for male
Q79: Tissue scarring,cancer,and infection can cause tissue blockages
Q80: Estrogen levels peak during days _ of
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