Fast trying to get done before i go to sleep.

The answer is below...

Explanation:

Macronutrients are large molecules that we digest - those would include

Carbohydrates (sugars)

Fats (well...fats)

and Proteins (think meat).

The Micronutrients are a lot smaller and would include

zinc (a coenzyme and vital trace element)

calcium (needs no introduction, but is useful for muscle control and bone growth)

and of course vitamins which are helpful in all sorts of metabolic processes.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

the answer is :