Where might you find microbes like bacteria and fungi? (Choose all that apply)
> In soil
> In many places within your body
> On your skin
> On the inside of a sterile agar plate that has not been inoculated
> On a disinfected lab bench
> In the air
> In sterilized growth medium prior to inoculation
> On the inside of a nutrient agar plate that has been left open for several minutes
> On your phone
> In soil
> In many places within your body
> On your skin
> In the air
> On the inside of a nutrient agar plate that has been left open for several minutes
> On your phone
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Organisms that aerobically catabolize methane use the intermediate ________ for biosynthesis and produce ________ when oxidizing the substrate for energy
A) CH2O (formaldehyde) / CO B) CH2O (formaldehyde) / CO2 C) HCOO? (formate) / CO D) HCOO? (formate) / CO2
For every 10°C increase in temperature, the rate of most chemical reactions will
(a) double. (b) triple. (c) increase by 100 times. (d) stop.
The eastern indigo snake often makes its home in abandoned gopher tortoise burrows. How would you characterize this relationship and its effect on each member?
A. parasitism: positive for snake, negative for tortoise B. amensalism: negative for snake, neutral for tortoise C. commensalism: neutral for snake, neutral for tortoise D. amensalism: neutral for snake, negative for tortoise E. commensalism: positive for snake, neutral for tortoise
Active transport can only move a substance with a concentration gradient
1.True 2.False