Microorganisms play an active role in the formation of industrial products. Which of the following is mismatched?
A) Penicillium — treatment of disease
B) Saccharomyces cerevisiae — for fermentation
C) Rhizobium — increases nitrogen in the soil
D) Bacillus thuringiensis — insecticide
E) algae — citric acid
E
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Humans homozygous for the sickle cell allele have sickle cell anemia. A human that is heterozygous for the sickle cell allele is an example of _____________
A. codominance B. incomplete penetrance C. heterozygous advantage D. multiple allele systems
In human males, the conversion of a spermatogonium into a sperm takes about 9 to 10 weeks
Indicate whether the statement is true or false.
The time required for a 10-fold reduction in the viability of a microbial population using a particular heating method is called the
a. decimal reduction time. b. thermal death time. c. disinfection time. d. sterilization time.
For the reaction Y->X at standard conditions with [Y] = 1 M and [X] = 1 M, ?G is initially a large negative number. As the reaction proceeds, [Y] decreases and [X] increases until the system reaches equilibrium
How do the values of ?G and ?G° change as the reaction equilibrates? (a) ?G becomes less negative and ?G° stays the same. (b) ?G becomes positive and ?G° becomes positive. (c) ?G stays the same and ?G° becomes less negative. (d) ?G reaches zero and ?G° becomes more negative.