Eukaryotic Cell Structure Flashcards
What is the cell wall
A rigid layer of polysaccharides lying in the plasma membrane of the cells of plants,fungi and bacteria in plants it mainly consists of cellulose
Centrioles
Protein structures found in animal cells with a role in spindle fibre formation during cell division
What is a chloroplast
Organelle found in plants cells where photosynthesis takes place
Cyctoplasm
Liquid portion of a cell that contains organelles and enzymes.many cell reactions take place here
What is a eukaryotic cell
A cell that had a membrane- bound nucleus and chromosomes. The cell also possesses a variety of other membranous organelles,such as mitochondria and endoplasmic reticulum
Golgi body / apparatus
Organelle where protein modification and packaging takes place
What does the lysosome do
Specialised vesicle that breaks down old or unwanted organelles using hydrolytic enzymes
What is a mitochondria
Organelle where aerobic respiration takes place
What is a nuclear pore
Hole on the nuclear membrane through which large particles (such as mRNA) can pass
What is a nucleus
Organelle that contains DNA
What is the nucleolus
Region within the nucleus where ribosomes are synthesised
What is the plasma membrane
Partially permeable surface that surrounds the cell and organelles . Described as a fluid mosaic.
Composed of phospho lipids,proteins and cholesterols
What is an organelle
Sub - cellular structure surrounded by a membrane that has a specialised function
What is a ribosome
Cellular structure composed of RNA and protein where polypeptide synthesis takes place
What is a rough endoplasmic reticulum
Organelle studded with ribosomes where polypeptides are synthesised that are destined to be inserted into the cell membrane or released from the cell
