Preimplantation genetic diagnosis works because
A. each cell in a human at any stage can give rise to a separate individual.
B. the missing genes are injected into cell nuclei of the recipient.
C. the donor and recipient are siblings and therefore they share most of their genetic material.
D. a cell can be removed from an 8-celled human embryo and the remaining 7 cells can continue developing.
Answer: D
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The precursor for thrombin is ____________________
Fill in the blank(s) with correct word
Which of the following is not a function of the kidneys?
a. excretion of metabolic wastes. b. maintaining proper plasma volume. c. secreting aldosterone to regulate sodium. d. maintains proper osmolarity of body fluids. e. assisting in maintaining the proper acid-base balance of the body.
Thyroid hormone contains the element
A) fluorine. B) chlorine. C) iron. D) iodine. E) zinc.
Which is not a type of neuronal pool?
A. Reverberating B. Triangular-pre-discharge C. Converging D. Parallel-after-discharge E. Diverging