Which type of fermentation occurs in the bacteria found in yogurt?
a. Lactic acid fermentation
b. Alcohol fermentation
c. Butanol fermentation
d. Mixed acid fermentation
a. Lactic acid fermentation
Lactic acid fermentation occurs in the bacteria found in yogurt
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Environmental pressures result in a(n) ____ of adaptive alleles
a. decrease in the frequency b. increase in the frequency c. assortment d. removal e. migration
Which of the following is an induced defense?
A) bright coloration of poison dart frogs B) high-pitched alarm calls by a squirrel C) background color matching by a chameleon D) walking sticks resembling twigs
If allele 'a' is favored, or selected for, over allele 'A,'
A. 'A' will increase in frequency and 'a' will decrease in frequency. B. both alleles will increase in frequency. C. 'a' will increase in frequency and 'A' will decrease in frequency. D. the frequencies of both alleles will remain the same.
If one is planning to use multiple regression to summarize how the variables X1, X2, X3 explain the variation in Y, how many parameters are involved in estimating the linear regression?
A. 2 B. 3 C. 4 D. 5