How do chromosomes determine sex?

In your own words: how do viruses cause diseases in humans? (info provided in text of reading)

Many hormones are proteins used in cellular communication. Each hormone carries a specific message to specific target cells. State why each of these hormones is able to deliver a different message.

Which two organelles can be found in plant cells that aren't found in animal cells?

Influenza (the flu) is caused by a virus that attacks the respiratory system. Which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus?

Antibodies are very specific to the antigen's shape. Make a connection to two other shape-specific proteins.

Which of the following is fact based science rather than a part of a personal belief system

If a mother carries a recessive allele for a genetic disorder such as cystic fibrosis under what circumstances will her children inherit the disorder

Explain how compaction is important in the formation of coal

Aristotle was a true scientist

What are the four major ocean basins? Are these basins connected?