Cell Biology QuizVersion en ligne aqa GCSE paper 1 bilogy par Charlotte McRobbie 1 Cell Structures 2 Cell Types 3 Cell Processes 4 Cell Theory 5 microscopy 6 specalised cells 7 chromosomes and mitois 8 stem cells 9 diffusion 10 osmosis 11 active transport 12 exchange surfaces Nucleus Mitochondria Ribosomes Endoplasmic Reticulum Golgi Apparatus cell wall cell membrane cytoplasm Prokaryotic Cells Eukaryotic Cells Plant Cells Animal Cells Stem Cells Cell Division Photosynthesis Cell Respiration Protein Synthesis diffusion osmosis active transport All living things are made of cells Cells are the basic unit of life All cells arise from pre-existing cells light microscope electron microscope sperm cell for reproduction nerve cell for rapid signalling muscle cellfor contraction root hair cells for absorbing minterals and water phloem and exylem for transporting substances the nucleous contains genetic material growthe and DNA replication mitosis is: a cell replicates its chromosome and seperate them producing two identical daughter cell can cure any diseases can produce idential plants some people are aginst reasearch for it embryonic stem cells can turn into any cell spreading out of partiles from an area of high concentration to an area of low concentration soloutins gases movement of water molecules across a partially permable membrane from a region of high water concentration to an area of low water concentration RP of effect of sugar on plant tissues root hair cells take in minerals and water root hair cells take in minerals through this process we need this to stop us from starving organisms exchange substances through their enviroment compare surface area to volume in a ratio multicellular organism need exchange surfaces gas exchange happens in the lungs the villi provide a reallt large surface area the structure of leaves lets gases diffues in and out of cells gills (in fish) have a large surface area for this to happen
