What is the name of a molecule composed of one or more sugars?
A) carbohydrate
B) lipid
C) nucleic acid
D) polypeptide
A
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Two intermediates of the sterol biosynthesis pathway, isopentenyl diphosphate and dimethylallyl diphosphate, are used by archaea in the biosynthesis of ________.
A. isoprenoids B. hormones C. diacylglycerol D. nucleotides
Do you agree with the strategy of xenotransplantation to alleviate the shortage of donated human organs? Why or why not?
What will be an ideal response?
The most abundant gas in the earth's atmosphere is
a. oxygen. b. water vapor. c. argon. d. nitrogen. e. carbon dioxide.
Bergey's Manual of Systematic Bacteriology contains
A. classification schemes for prokaryotes. B. treatments for bacterial diseases. C. a complete list of all bacterial species. D. genetic sequences of all known prokaryotes. E. rules for naming new bacterial species.