Dna replication occurs in a cell in all of the following situations, except when
a: cells undergo meiosis.
b: cells undergo mitosis.
c: proteins are synthesized.
d: cells repair damage from uv light.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

What is the function of the nucleus in the euglena cells you observed?

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water