Unit 2 Test: Cells

Front

What are lysosomes?

Back

Lysosomes are organelles responsible for digesting certain materials within the cell, containing enzymes that break down waste and cellular debris.

Front

What tool is used to view cells?

Back

A microscope is the tool used to view cells, allowing for magnification of small structures.

Front

What is the function of the nucleus in a cell?

Back

The nucleus is the control center of the cell, containing the DNA and regulating gene expression and cell division.

Front

What is cell theory?

Back

Cell theory states that: 1) All living things are made of cells, 2) Cells are the basic unit of structure and function in living things, 3) All cells come from pre-existing cells.

Front

What is cytoplasm?

Back

Cytoplasm is the gel-like substance that holds organelles in cells, providing a medium for biochemical reactions.

Front

What is the role of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What are chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the cell membrane?

Back

The cell membrane is a protective barrier that surrounds the cell, controlling the movement of substances in and out.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

What is the function of ribosomes?

Back

Ribosomes are responsible for protein synthesis, translating messenger RNA into polypeptide chains.