Embryonic stem cells might be used to replace neurons lost in Parkinson's Disease because
A) they are readily available.
B) they divide quickly.
C) they are young and vigorous.
D) they have not yet differentiated.
E) they are taken from the brain of the embryo.
D
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The term metabolism is best defined as ________
A) a measure of carbohydrate utilization, typically involving measurement of calories B) the number of calories it takes to keep from shivering on a cold day C) the sum of all biochemical reactions in the body D) the length of time it takes to digest and absorb fats
The space bounded by the labia minora is the
A) fornix. B) vestibule. C) hymen. D) clitoris. E) isthmus.
Once the embryonic mass has 12 or more cells, it is called a ________.
A. blastula B. morula C. gastrula D. trophoblast E. blastocyst
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "D" represent?
A. Occipital bone B. Posterior fontanel C. Parietal bone D. Anterior fontanel E. Sagittal suture