Chapter 16- Cells Review & Cell transport

Front

What type of organisms have cells that contain a nucleus?

Back

Eukaryotes are organisms whose cells contain a nucleus.

Front

Which type of transport requires an input of energy?

Back

Active Transport requires energy to move substances against their concentration gradient.

Front

What are unicellular organisms that lack a nucleus called?

Back

Prokaryotes are unicellular organisms that do not have a nucleus.

Front

What does semi-permeable mean?

Back

Semi-permeable means that some molecules can move through the membrane while others cannot.

Front

What regulates what enters and leaves a cell?

Back

The Cell Membrane regulates the movement of substances in and out of the cell.

Front

What is the primary function of the cell membrane?

Back

The primary function of the cell membrane is to protect the cell and control the movement of substances.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What are the two main types of cells?

Back

The two main types of cells are prokaryotic cells and eukaryotic cells.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport requires energy to move substances.

Front

What is a key characteristic of prokaryotic cells?

Back

A key characteristic of prokaryotic cells is that they lack a membrane-bound nucleus.