Cell's Organelles Flashcards
Peroxisomes function?
Contain enzymes that neutralize toxins produced by cellular metabolism
Break down fatty acids
Lysosmes function?
Filled w/ digestive enzymes
Digest old organelles
Destroy harmful bacteria, viruses, toxins
Centrioles function:
Located in the centrosome
Produce microtubules for the cytoskeleton
Form mitotic spindle for mitosis
Microvilli function:
Tiny fingerlike extensions that absorb substances
Golgi Apparatus function:
Series of flattened membranous sacs
Modify and package proteins that are produced by the rough endoplasmic reticulum
Endoplasmic reticulum (ER) function:
Highly folded membranous structure that enclose a network of fluid-filled cavities
Rough Endoplasmic Reticulum function:
Studded with ribosomes
The site of protein synthesis
Produce proteins that are secreted by the cell and used by the plasma membrane or lysosomes
Smooth Endoplasmic Reticulum function:
Lacks ribosomes
Synthesizes lipids and glycogen
Detoxifies posions and various drugs
Nucleolus function:
Suspended gel-like matrix
Produced ribosomes
Chromatin function:
Composed of complex molecules of DNA & protein
DNA is the genetic material of the cell
Nuclear Envelope function:
Double membrane that seperates the nucleoplasm from the cytoplasm
Nuclear pores allow passage of substances in and out of the nucleus
Free Ribosomes function:
Produces proteins used for celluar metabolism
Mitochondria function:
Bean-shaped structure
Produces most of the cell’s energy in the form of ATP
Plasma Membrane function:
Composed of Phospholipids, proteins, carbohydrates
Carbohydrates act as a selective barrier b/w the cell and the external environment
Cytoskeleton function:
Contains 3 types of proteim filaments microtubules, intermediate and micro filaments
Provide strength and flexibility for the cell and support for other organelles
