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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
What is a stain?A substance used to make cell structures more clearly visable.
Light microscopea microscope that uses light
Compound microscopea microscope that uses multiple lenses
Function of nucleuscontains cell chromosomes which are made of DNA, these hold the genetic information which controls cell activity
Function of mitochondriasite of aerobic respiration, mitochondria are found in greater abundance in cells with high energy demands such as muscle cells involved in respiration to release energy in both animal and plant cells
Function of cell membraneconsists of phospholipid and protein molecules, selectively permeable, controls the entry and exit of materials in and out of the cell.
Function of ribosomesite of protein synthesis, found in the cytoplasm or attatched to tubular structures in the cell
Function of chloroplastsite of photosynthesis, contain green pigment chlorophyll which absorbs light energy
Function of cell wallgives support to the cell and structure to plant tissue, made of a carbohydrate called cellulose
Function of cytoplasmjelly like material, chemical reactions happen, contains organelles
Function of vacuolecontains cell sap which is a solution of salts and sugars, important in maintaining the shape of the cell
organellessmall sub-cellular structures with a special function
Can you see mitochondria and ribosomes with a light microscope?no, they are too small
differences of a fungal cellonly difference from an animal cell is the presence of a cell wall, this cell wall is not made from cellulose
differences of a bacterial cellno nucleus, has DNA and circular plasmids, the cell wall is different to plants