How does digested food make it to the blood stream?
A. It is absorbed into the blood through
blood vessels
B. It passes through the gullet into the blood
C. It passes from the large intestine into
the blood
D. None of the above

Ascientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions.