The failure of chromosomes to separate during

mitosis or meiosis is called
a. genetic displacement.
b. trisomy.
c. crossing over.
d. nondisjunction.
e. disjunction.


D

Biology & Microbiology

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The two major anatomical divisions of the nervous system are the

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Foreign cells that enter the human body have unique cell surface proteins, known as ________, which stimulate the body's defense to attack

A) leukocytes B) Rh factors C) antibodies D) platelets E) antigens

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Matching.Choose the one most appropriate description.

A. Carbon fixation B. The PGA to PGAL conversion C. The formation of glucose D. Noncyclic pathway of ATP formation E. Cyclic pathway of ATP formation

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Which of the following structures houses the corpus luteum?

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