The answer i believe is d.
hope this helps!!!
Explanation:
Psi packaging Element is a cis-acting RNA element identified in the genomes of the retroviruses Human immunodeficiency virus (HIV) and Simian immunodeficiency virus (SIV) It is involved in regulating encapsidation of the retroviral RNA, an essential step in replication.
Answer:
The answer is parable A
Explanation:
Its the only one that made sense in my eyes some of them didn't even match the topic.
Acquired characteristics are gotten and learned characteristics while inherited characteristics is gotten from the organisms parent
