Chapter 4 Flashcards
(24 cards)
Cell Membrane
The semipermeable membrane surrounding the cytoplasm of a cell
Cell Theory
A statement of what a cell is and what it is
Cytoplasm
The material in a living cell
Eukaryote
An organism whose cells contain a nucleus
Eukaryotic Cell
A cell that contains a nucleus surrounded by a membrane and whose DNA is bound together by proteins
Nucleus
The central and most important part of a cell
Organ
An important part of a living thing. Heart, lungs, skin
organelle
Any number of an organized structures within a living cell
Organ System
A group of organs that work together
Prokaryote
A microscopic, single-called, organism
Prokaryotic Cell
Cell that lack organelles
Ribosome
A minute particle consisting of RNA and associated with DNA
Tissue
Any of the distinct types of material which animals or plants are made of.
ATP
An adenosine derived nucleotide that supplies large amounts of energy to various cells
Cell Wall
A rigid layer of polysaccharides lying outside the plasma membrane of the cell of plants, fungi, and bacteria
Central Vacoule
Cellular organelle found in plant cells
Centriole
A minute cylindrical organelle near the nucleus
Cytoskeleton
A microscopic network of protein filaments and tubulesin the cytoplasm of many living cells
Endoplasmic Reticulum
A network of membranous tubules within the cytoplasm of a eukaryotic cell
Golgi Apparatus
A complex vesicles and folded membranes within the cytoplasm of most eukaryotic cells
Lylosome
An organelle in the cytoplasm of Eukaryotic cells
Mitochondrion
An organelle fund in large numbers in most cells
Vacoule
A span=ce within the cytoplasm of a cell
Vesicle
A fluid or air filled cavity or sac in the body