Cells able to divide and form some types of cells in an organism are called:a
pluripotent stem cells.
b. terminally differentiated cells.
c. germ line cells.
d. morphogenic cells.
e. developmental cells.
ANSWER: a
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Benedict’s solution is commonly used to test for the presence of
(a) proteins. (b) certain carbohydrates. (c) nucleic acids. (d) lipids.
In this diagram of the heart, A is the ____ and B is the ____
a. AV node; cardiac pacemaker b. SA node; septum c. AV node; SA node d. SA node; AV node e. septum; cardiac pacemaker
Hydrolysis of sucrose, a disaccharide, results in
A. two nucleotides. B. two monomers. C. two glycerol units. D. the release of functional groups. E. three monosaccharides.
The relatively shallow part of the ocean extending from the low tide mark to the edge of the continental shelf is called the
A. littoral zone. B. limnetic zone. C. neritic zone. D. surface zone. E. abyssal zone.