a. carbon, hydrogen, nitrogen, oxygen
b. carbon, sulfur, phosphorus, hydrogen
c. carbon, sodium, chlorine, magnesium
d. carbon, oxygen, sulfur, calcium
e. oxygen, hydrogen, calcium, sodium
73. Within one organism, different cell types have:
a. the same genetic information.
b. different genetic information.
c. the same proteins being expressed.
d. all of the above
74. Multicellular organisms are usually ______.
a. prokaryotic (cells without organelles)
b. eukaryotic (cells with organelles
75. What is a stem cell?
a. a novel source of DNA.
b. a source of positional information.
c. a way to prevent diseases.
d. a general cell that isn’t any specific cell type yet
76. Is it currently possible to grow replacement organs from stem cells in the laboratory, for transplants?
a. Yes.
b. No.
2007-05-27
15:49:21
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4 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Biology