Why is radioactive and decay material essential in determining the absolute age of a rock layer or fossil

Which structure is unique to plant cells? cell nucleus cell wall vacuole mitochondrion

Complete the following sentence: DNA" lives in the___, proteins are made on the_and the ___consists of everything inside the plasma membrane of the cell. A. nucleus, ribosomes, cytoskeleton B. mitochondria, ribosomes, cytoskeleton C.

The gene form of a trait is called a (n)

What is the advantage of spicules to a loosely constructed animal such as sponge?

Describe the process involved in inflammation. Be sure to: describe the process that eliminates the pathogen describe what will happen if the pathogen is not destroyed list the 5 cardinal signs of inflammation

Lipase, maltase, and protease are members of a group of catalysts known as

What macromolecules would you find in sausage, pepperoni and bacon pizza?

How do cancer cells behave differently from healthy cells?

Explain why living organisms contain more hydrogen atoms than any other atoms

At end of telophase, what must occur