Who concluded that all plants are made of living cells?

A major difference between a compound light microscope and a transmission microscope is that a light microscope image

Each of the following is a main idea of the cell theory except

The scientist who first described living cells as seen through a simple microscope was

One advantage of electron microscopes over light microscopes is their

If a cell contains a nucleus, it must be a(n)

Because the phospholipid molecules and some proteins are free to move, the plasma membrane is said to be a

A plasma membrane is made up of a(n)

Specialized cells are found only in

Which of the following is NOT a form of passive transport.

If a cell is placed in salt water, water leaves cell by