Which one of the following structures degenerates if a fertilized egg does not embed in the uterus?
A) ovary
B) oviduct
C) zona pellucida
D) corpus luteum
E) secondary oocyte
D
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Process by which the blastocyst attaches to the uterine lining and begins to digest its way inward. _____
A) Human chorionic gonadotropin
B) Zygote
C) Chorion
D) Morula
E) Folic acid
F) Fertilization
G) Blastocyst
H) Parturition
I) Cleavage
J) Ovulation
K) Placenta
L) Implantation
Concentric rings found in the cross section of the wood of trees are known as:
a. summer rings. b. spring rings. c. annual rings.
d. dendrochrons. e. pith rings
For most multicellular eukaryotes, including humans, mitochondria are inherited
a. only from the father. b. from both the father and the mother. c. from the mother for females and from the father for males. d. randomly from either the father or the mother. e. only from the mother.
One should associate the India ink preparation with diagnosis of which of the following?
A) cryptococcal meningitis B) thrush C) tinea pedis D) yeast vaginitis