When a chromosome undergoes a deletion mutation, information is
a. reversed
b. repeated
c. transferred
d. lost
Ans: d. lost
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Most biopolymers industrially produced by means of microorganisms are ________.
A. nucleic acids B. polysaccharides C. histones D. cell wall constituents
The lowest concentration of a drug that prevents growth of a microorganism is the
A. infectious dose. B. lethal dose. C. effective dose. D. minimum inhibitory concentration
After organic molecules have been formed in abundance, what is the next step that must occur in the
progression toward a living organism?
a. evaporation of the water the organic compounds are dissolved in b. dehydration reactions linking macromolecule monomers into larger molecules c. increasing availability of organic compounds d. the formation of a semi-permeable membrane e. aggregation of the different organic compounds so all of the pre-cell building blocks are in the same localized region
The three types of horizontal gene flow that occur in bacteria are __________, __________, and __________. Fill in the blank(s) with the appropriate word(s)