Which part of an amino acid has the greatest impact of the overall structure of a protein? a. the amino groupb. the r groupc. the carboxyl groupd. both a and c

i think the answer is D. both A and C are correct

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: