What does the internal Urethral Sphincter do?
What will be an ideal response?
Answer: Closes so urine doesn't come out during ejaculation and doesn't let sperm into bladder.
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Which animals develop with an organ made from maternal and embryonic tissues that allows the bloodstreams to transfer materials without mixing?
a. nonbird reptiles b. birds c. monotremes d. marsupials e. placentals
The function of which household appliance accurately describes the removal of neurotransmitters from the synapse?
A) blender B) toaster C) vacuum cleaner D) coffee grinder
The transfer of pollen from an anther to the stigma of a carpel is
A. fertilization. B. coevolution. C. germination. D. pollination.
What is the difference between an autosomal dominant and autosomal recessive pattern of inheritance?
What will be an ideal response?