Answer:
C. Large tree ferns grew well during the Paleozoic Era.
Answer: B
hope this helps !
Answer:
the first ones were used to treat hallucinations and delusions, the second ones were used more in depth to block serotonin receptors, so there were less side effects...
Explanation:
change a codon to one that encodes a different amino acid and cause a small change in the protein produced. For example, sickle cell anemia is caused by a substitution in the beta-hemoglobin gene, which alters a single amino acid in the protein produced.
