CELL STRUCTURE & FUNCTION

What is an organelle?

• A type of cell found only in animals

• A small structure within a cell that performs a specific function

• A group of tissues working together in the body

• A part of the body responsible for digestion

What structure is labeled A in the diagram of an animal cell?

• Nucleus

• Mitochondrion

• Golgi apparatus

• Lysosome

Which organelle is responsible for energy production?

• Ribosome

• Mitochondrion

• Nucleolus

• Endoplasmic reticulum

In the diagram of a plant cell, what is the thick outermost layer?

• Plasma membrane

• Cytoplasm

• Cell wall

• Nucleus

Identify the organelle that modifies and packages proteins.

• Golgi apparatus

• Ribosome

• Lysosome

• Smooth ER

The diagram shows a nucleus. What is the structure labeled X in the nucleus diagram?

• Nuclear membrane

• Nuclear pore

• Nucleolus

• Nucleoplasm

In the plant cell, which organelle stores water and maintains turgor pressure?

• Cytoplasm

• Chloroplast

• Central vacuole

• Nucleus

Identify this organelle shown with stacked membranes and vesicles

• Rough ER

• Golgi apparatus

• Lysosome

• Centrosome

What is the small dot-like structure attached to rough ER?

• Lysosome

• Ribosome

• Centriole

• Nucleolus

Which structure is visible as green discs in chloroplast diagrams?

• Stroma

• Thylakoid

• Cristae

• Matrix