Cell Structures and Functions

Vocabulary flashcards covering cell structures, organelles, and their specific functions based on the lecture notes.

Nuclear envelope

Membrane enclosing the nucleus with protein-lined pores that allow material to move in and out.

Chromatin

DNA plus associated proteins.

Nucleolus

Condensed region where ribosomes are formed.

Peroxisome

Metabolizes waste.

Rough endoplasmic reticulum

Associated with ribosomes; makes secretory and membrane proteins.

Smooth endoplasmic reticulum

Makes lipids.

Microtubules

Form the mitotic spindle and maintain cell shape.

Centrosome

Microtubule-organizing center.

Intermediate filaments

Fibrous proteins that hold organelles in place.

Microfilaments

Fibrous proteins that form the cellular cortex.

Lysosome

Digests food and waste materials.

Golgi apparatus

Modifies proteins.

Mitochondria

Produce energy.