Why is aseptic technique important?
A) To protect others
B) To protect yourself
C) All of these choices are correct
D) To protect your cultures
C) All of these choices are correct
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Organic molecules have a carbon backbone and ________ such as -OH and -NH2 that affect their chemical properties.
A. chemical groups B. R groups C. extension groups D. functional groups
Which important finding from the fossil record supports the theory of evolution?
a. Life has evolved over time. b. All life evolved in the ocean. c. Most species are actually extinct. d. There is an inaccuracy in the fossil record. e. Ancient species greatly differed from those alive today.
How do the data in Figure A relate to the data in Figures B and C?
A) Figure B shows the method used to obtain the data in Figure A. B) Figure C is essentially a summary of the data in Figure A. C) Figure A is about water movement, and Figures B and C are about presence of aquaporins. D) Figure A has data for more than 2 hours, and Figures B and C show data all collected at the same time.
Which of the following does NOT constitute an advantage of using two antibiotics together?
A) It can prevent drug resistance. B) It lessens the toxicity of individual drugs. C) Two are always twice as effective as one. D) It allows treatment to be provided prior to diagnosis. E) All of these are advantages of using two antibiotics together.