The thin, flexible barrier around a cell is called the

Which organelle would you expect to find in plant cells?

Which of the following is a function of the nucleus?

Which cell structure contains the cell's genetic material and controls many of the cell's activities?

When a particle is too large to diffuse on its own and it needs help to get across the cell membrane, this process is called what?

The diffusion of water across a selectively permeable membrane is called

Which of these provide support and structure to the cell?

Eukaryotes usually contain

Which of the following organelles synthesize and package lipids?

Which of the following is NOT found in animal cells?

Which of the following structures serve as the cell's boundary for its environment?

Which organelle converts sunlight into energy that the cell can use?

Cells fall into two broad categories, depending on whether they

Diffusion is the movement of particles from

Which organelle makes proteins using coded instructions that come from the nucleus?

Prokaryotes lack

Who was the first person to identify and see cells?

Which of the following is a function of the cell membrane?

Which of the following is a function of the cytoskeleton?

Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. This process is called

The ______ converts food into energy that the cell can use; it acts as a power generator for the cell.

Proteins and lipids are delivered to the __________ in order to be packaged and shipped out to different parts of the cell.

According to the cell theory, new cells are created from existing ____.

Unlike smooth endoplasmic reticulum, rough endoplasmic reticulum has _______ attached to it.

When molecules diffuse from an area of low concentration to an area of high concentration.

The amount of solutes dissolved in a solution.

The basic units of life.

When molecules are taken into the cell.

Makes up the cell membrane.

When certain molecules are "helped" in diffusing across the cell membrane

When molecules are released by the cell.

"Tiny organs"

Assists specific molecules as they move across the membrane.

The diffusion of water through a selectively permeable membrane.