B. It allows some molecules to enter the cell and blocks entry to others.
I would say A. It would make the most sense.
Hope this helps!! and i know im a beginner but i know the answer
Answer:
I'm pretty sure this is right, here ya go:
4=e
2=a
3=b
5=d
1=c
The effect of <span>this to the protein is that the protein would not be made due to coding for a nonsense codon. This situation is an example of nonsense mutation. This is a mutation where a sense codon that corresponds with </span>one of the twenty-one<span> amino acids that is specified by the genetic code is altered to a chain – terminating codon. Thus, the protein will not be created.</span>
One is 2nd and 2 is 4th one
