Cell Biology Concepts and Functions

What is the fundamental building block that makes up all animals?

• Plant cells

• Animal cells

• Bacteria

• Viruses

What is a defining characteristic of eukaryotic cells?

• They lack a nucleus.

• They have a true nucleus containing DNA.

• They are only found in plants.

• They are always single-celled organisms.

Which of the following is a key difference between animal cells and plant cells?

• Animal cells have a rigid cell wall, while plant cells have a flexible cell membrane.

• Plant cells can make their own food, while animal cells cannot.

• Animal cells contain chloroplasts, while plant cells do not.

• Plant cells lack a nucleus, while animal cells have one.

Who was the British scientist credited with discovering cells in 1665?

• Anton van Leeuwenhoek

• Louis Pasteur

• Robert Hooke

• Charles Darwin

What is the main job of ribosomes in a cell?

• Store the cell's DNA

• Process and package proteins

• Assemble amino acids into polypeptides

• Break down cellular waste

Which organelle is responsible for processing and packaging proteins before sending them out?

• Ribosomes

• Lysosomes

• Nucleus

• Golgi Apparatus

What is the primary role of the nucleus in a cell?

• Convert food into energy (ATP)

• Store the cell's DNA and make cell laws

• Break down waste materials

• Transport substances throughout the cell

What is the main function of mitochondria in a cell?

• Assemble proteins

• Store genetic information

• Convert carbohydrates and fats into ATP energy

• Package and ship cellular products