Scientists were able to produce induced pluripotent stem cells by introducing key DNA factors into
mature mouse fibroblasts and human skin cells.
_________________ Indicate whether the statement is true or false.
F, transcription
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The kidney was one of the first organs to be successfully transplanted because it is so encapsulated and has limited vessels feeding into or out of it. How many major "connections" must be cut in transplant surgery for one kidney?
A. two: the renal artery and vein B. three: the renal artery and vein and the urethra C. three: the renal artery and vein and the ureter D. five: the renal artery and vein, two ureters, and one urethra E. four: the renal artery and vein, the ureter, and urethra
Which is the proper sequence of classification categories, moving from the largest to the smallest group of organisms?
A. kingdom, phylum, class, order, family, species, genus B. kingdom, phylum, family, class, order, genus C. kingdom, phylum, class, order, family, genus species D. kingdom, phylum, division, class, order, family, genus
Which of the following statements is FALSE?
A) The more highly evolved a species is, the more chromosomes it possesses. B) The number of chromosomes is the same for all members of a species. C) Germ cells contain half as many chromosomes as somatic cells. D) The number of chromosomes remains constant throughout a life cycle. E) More than 1,000 chromosomes are found in some organisms.
STORCHÂ is an acronym that represents the most common
A. vectors. B. genera of resident flora. C. infections of the fetus and neonate. D. portals of entry. E. sexually-transmitted diseases.