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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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
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.