<span>Out of the following given choices;</span>
a. they are used up in the reactions
b. they lower the overall energy of the reactions
c. they lower the activation energy of the reactions
d. they keep the temperature of the reactions constant
<span>The
answer is C. A catalyst provides an different route for a reaction, mostly
bypassing some transitional states hence lowering the reaction energy. The
catalyst is not consumed in the reaction. </span>
Part of an organism, a nucleotide is a part
The answer is b. is under purifying selection
Answer:
Well one of the types of symbiosis is parasitism. Here an example would be a tapeworm (parasite) would live in and feed off a living host (humans in our case)
Explanation:
