How many electrons does an atom of carbon have?

A genetic mutation involving a single base causes an error that affects the sequence of the next 500 amino acids in a protein. Which type of mutation could have produced this type of error in the protein? A) Silent B) Nonsensse C) frame-shift

Which disease is a progressive, degenerative disease of the brain that ultimately results in dementia and is associated with a shortage of acetylcholine?

Chronic hepatitis is usually caused by:

If the vertebrae are injured or damaged, the body may become paralyzed True or False

How does biology affect a persons daily life?

Can you explain how salt from the sea is returned to the land

A species of rabbit is preyed upon by foxes, which are preyed upon by wolves. Humans decide to open a hunting season on the wolf population.

Nearly all nutrients present in tropical rainforest forests are contained in the

One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s captain, who had polydactyly, a rare dominant trait, was one of the original colonists.

What did Galileo think the bulges on either side of Saturn were cause by?