The region of a chromosome where two sister chromatids are held together is called a

What process separates fragments of genetic material or proteins through a gel based on size?

Is a virus living or nonliving?

What are three cause and three effects of global warming

In the kidneys, both useful substances and wastes are removed from the blood by

It has been alleged that Thomas Jefferson fathered children with one of his slaves, Sally Hemings. These decedents wish to recognized as blood relatives of a famous president.

An atom with a net positive charge must have more

Amino acids are carried to ribosomes by what?

Match the term to its description. Match Term Definition Astronomical body A) A celestial object consisting of a nucleus of ice and a stream of gas and dust Galaxy B) A system of stars held by gravitational attraction Comet C) An object in space

How does meiosis most benefit a species?

What is the least common multiple for 8,27, and 35?