15 terms

Organelles

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Nucleus
Function: A part of the cell containing DNA and responsible for coordinating the cell's activities.
Ribosomes
Function: Makes proteins
Smooth ER
Function: It is a major site of lipid synthesis (cholesterol & phospholipids).
Rough ER
A network of interconnected membranous sacs in a eukaryotic cell's cytoplasm; covered with ribosomes that make membrane proteins and secretory proteins.
Golgi Apparatus
A system of membranes that modifies and packages proteins for export by the cell
Mitochondria
Function: An organelle in eukaryotic cells that serves as the site of cellular respiration (uses oxygen to break down organic molecules and make ATP)
Chloroplasts
Function: A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce sugar.
Cell membrane
A flexible barrier around a cell made of phospholipids, cholesterol and protein; regulates what enters and leaves the cell
Chloroplasts
Structure: Contains two membranes. The inner membrane surrounds the stroma and the grana (stacks of thylakoids).
Mitochondria
Structure: Made of two membranes. The folding of the inner membrane increases surface area for reactions to occur.
Smooth ER
Structure: Consists of a long network of a folded tube-like structure without ribosomes.
Ribosomes
Structure: Made of RNA and protein. Smaller than other organelles. Does not have a membrane.
Nucleus
Structure: Made up of a nucleolus, pores, membrane, and chromatin (DNA).
Cytoplasm
Structure: A jellylike fluid inside the cell in which the organelles are suspended
Vacuole
Function: Cell organelle that stores materials such as water, salts, proteins, and carbohydrates