Question 14
Sections in a newly copied mRNA strand that do NOT code for a protein are called what?

a. exons
b. peptides
c. introns
d. amino acids

Question 13
The regions in a newly copied strand of mRNA that code for proteins are called what?

a. amino acids
b. introns
c. exons
d. molecules

Question 13 - c. exons

Question 14 - c. introns

Explanation:

Its me again the person that made the question. I know the answer. I did it and got a 77.7%

I didn't get a good score. But I moved on to Mandatory 2 Step.

The answer I put on all my questions are the answers I used to get a 77.7%

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.