The process of male gamete, or sperm cell, development is known as:
A) spermatogenesis. B) fertilization. C) mitosis. D) oogenesis.
Answer: A
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By the 4th month of pregnancy, the fundus of the uterus is located inches below the ________ and by the ninth month it is located at the level of the ____________
A. urinary bladder; umbilicus B. umbilicus; xiphoid process C. diaphragm; laryngeal prominence D. pubic symphysis; heart
The eyes develop as an evagination from the
A. myelencephalon. B. mesencephalon. C. neural crest cells. D. diencephalon. E. telencephalon.
The transport of material across the gastrointestinal tract normally leads to a net gain of solutes and water by the body.
a. true b. false
Olfactory receptors depolarize in response to an odorant, turning a stimulus into an electrical signal. This conversion is known as:
A) sensory transduction. B) propagation. C) repolarization. D) adaptation.