Which of the Following Conclusions Is Least Accurate, Based on Studies

Which of the following conclusions is least accurate, based on studies of the biochemistry of memory in animals?

A) Hormonal changes can either facilitate or impair memory.
B) Memories can be chemically transferred from one animal to another.
C) Memory formation may result in alterations in synaptic transmission at specific sites.
D) The administration of drugs that interfere with protein synthesis impairs long-term memory in some animals.