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Cell flashcards

Robert Hooke discovered cells
Van Leeuwenhoek discovered bacteria cells in pond and in his mouth
Schlieden discovered that all plants are made of cells
Schwann discovered that all animals are made of cells
Virchow discovered that new cells are made from existing cells
Cell Theory 1.all living things are made of cells 2.cells are the basic unit of structure and function in living things 3.new cells are produced from existing cells
Ocular lens eyepiece we look through
objective lens magnify the specimen
fine adjustment makes small changes to focus on medium or high power
coarse adjustment makes large changes to focus on low power
nosepiece holds objective lens and can be rotated to change power
stage platform where slides are placed
base provide support for microscope
prokaryotes no nucleous; DNA is free floating small and simple compared to eukaryotes ex: bateria
eukaryotes DNA is found in the nucleous; large and complex ex: animal
cytoplasm between cell membrane and outside of the nucleous gel like substance
ribosomes found in prokaryotes and eukaryotes free floating makes protein
rough endoplasmic reticulum
smooth endoplasmic reticulum
golgi apparatus
lysosomes clean up crew for the cell (think: lysol) can break down a virus
mitochondria powerhouse(mighty!)
cell membrane
cell wall
describe how protein is made
explain the difference between plant and animal cells
Somatic Cells Body Cells
Gamete Cells Sex Cells
Haploid Half the number of Diploid Cells
Diploid Double the number of Hapolid Cells
Meiosis 1 The division of sex cells
Meiosis 2 A second division of sex cells
Prophase 1 DNA has already duplicated and chromosomes get shorter and thicker
Metaphase 1 The Centrioles are at opposite poles of the cell
Anaphase 1 When two chromosomes of each tetrad get split and pulled towards different sides of the cell
Telophase 1 When Haploid cells start to form
Prophase 2
Metaphase 2
Anaphase 2
Telophase 2
Meiosis 2 Cytokinesis
Homologous Chromosomes