After screening a colony of bacteria for mutations in a given gene, you discover 100 mutant colonies out of 3 million total colonies. What is the mutation frequency for this gene in the population?
A. 1.0 x 105
B. 1.0 x 10-5
C. 3.0 x 105
D. 3.3 x 10-5
D
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The bending of light rays as they pass from one medium to another is called refraction.
Answer the following statement true (T) or false (F)
Which of the following requires oxygen to
function? a. aerobic respiration b. anaerobic respiration c. alcoholic fermentation d. lactate fermentation e. all require oxygen
Which of the following states that changes in species composition are orderly and predictable during succession?
1.The facilitation hypothesis
2.The inhibition hypothesis
3.The tolerance hypothesis
Answer the following questions true (T) or false (F)
1. Hominins migrated from Africa, through Asia, all the way to Australia. 2. The first wave of modern human migration reached Europe and northern Asia. Match column 1 with the items in column 2. 3. Bacteria are the smallest living things known.