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Cell structure Ch7

QuestionAnswer
What is a compound microscope A compound microscope uses two lenses, an objective lens and an eye piece lens
What does a compound microscope use Light
What is an electron microscope Uses a beam of electrons
Name two types of electron microscopes Transmission Electron Microscope(TEM) Scanning Electron Microscope (SEM)
What does a TEM do Shoes internal structure
What does a SEM do
Provides surface view
Name the parts of an animal cell as seen on an electron microscope Cell(plasma) membrane Nucleus and cytoplasm which make up the protoplasm .
What is protoplasm All living parts of a cell
What is cytoplasm All living material in a cell outside the nucleus
Name the parts of the plant cell as seen under electron microscope Cell wall Cell membrane Nucleus Chloroplasts Vacoule Cytoplasm
Where is cell mambrabe found Directly inside cell wall
What is cell of plasma membrane composed of Phospholipids and protein
What are the functions of a membrane Retain the cell content Recognise molecules that touch them Give some support to the cell Selectively permeable
What is the nucleus Control centre of cell
What are genes Units of inheritance
What chromattin Name given to chromosomes when they are not dividing
Where are ribosomes made Nucleolus
What is cytoplasm The jellylike liquid in the cell that surrounds the nucleus
Where is the site of respiration Mitochondria
Name two diferences between a plant and animal cell Plant have the following but animal dont Cell wall Chloroplasts Chrophyll Large vacoule
What are prokaryotic cells Prokaryotic cells do not have a nucleus or membrane-enclosed organelles eg mitochondria
What are eukaryotic cells Eukaryotic cells have a nucleus and cell organelles all of which are enclosed by a membrane eg mitochondria
Created by: eimeardoyle2014