In order to be considered infertile, how long must a couple go without achieving pregnancy despite regular unprotected intercourse?
A. 30 days
B. 3 years
C. 1 year
D. 6 months
E. 12 weeks
Answer: C
Biology & Microbiology
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Peroxisomes are examples of:
A. microbodies. B. ribosomes. C. chromosomes. D. nucleosomes. E. lysosomes.
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External fertilization
A. occurs in amphibians. B. often leaves fertilized eggs susceptible to predation. C. involves the release of eggs and sperm into a body of water. D. requires specialized behavior. E. All of these statements are correct.
Biology & Microbiology
The hormone __________ is indicated at “D.”
a. PRL b. LH c. oxytocin d. ADH e. TSH
Biology & Microbiology
Separation of the sister chromatids is a characteristic of which stage of mitosis?
a) anaphase b) telophase c) metaphase d) prometaphase
Biology & Microbiology