Commercial products containing which types of chemicals are more effective at killing microorganisms?
A. lead
B. bacteriostatic
C. bacteriocidal
D. carbohydrate
Answer: C
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Consider the data in Fig. 46.11 illustrating the survivorship curve of the Lime Swallowtail butterfly. As indicated in your text, the survivorship from the egg to larval stage is 68%
If the average time from egg to adult is 43 days, what is the per capita death rate? What will be an ideal response?
Astrobiology is considered a sub-discipline of microbiology because
A. microbes are known to exist on other planets. B. all extraterrestrials known are microbial. C. life elsewhere in the universe is likely to be microbial. D. only microbes can reproduce under the extreme conditions in outer space.
The glucose carrier of skeletal muscle is designated as ________.
Fill in the blank(s) with the appropriate word(s).
The original cell was thought to have arisen from the enclosure of self-replicating _______ by a phospholipid membrane.
a. DNA b. carbohydrate c. protein d. RNA