Anaerobic organisms live in ____ areas
a. nitrogen-free.
b. oxygen-rich.
c. oxygen-free.
d. hydrogen-free.
e. carbon-free.
C
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Oxygen compounds toxic to pathogens include
A) hydrogen peroxide. B) hypochlorus acid. C) nitric oxide. D) hydrogen peroxide, hypochlorus acid, and nitric oxide.
In the Foofnagle family, the trait of being able to yodel affects members of both sexes in every generation. This trait could be
A) autosomal recessive or autosomal dominant. B) autosomal dominant but not autosomal recessive. C) conclusive or inconclusive. D) caused by something in the environment and not inherited at all.
Dehydration can be a problem for plants in cold habitats
Indicate whether the statement is true or false
Eukaryotic mRNAs are modified by the addition of a poly(A) sequence at the 3' end and 7-methyl guanosine at the 5' end.
Answer the following statement true (T) or false (F)