Class Notes (839,313)
Canada (511,260)
BIOB10H3 (252)
Aarti Ashok (125)
Lecture

Important Terms and Definitions

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Department
Biological Sciences
Course Code
BIOB10H3
Professor
Aarti Ashok

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Description
LECTURE#1 x A cell is the smallest unit of life x Anton van Leeuwenhoek examined pond water under microscope and discovered what he called ^v]uoµo_ x Cells are capable of producing more of themselves through mitosis and meiosis x Cells respond to stimuli using cell surface proteins that are called ^}_ Types of cells: prokaryotes and eukaryotes x ^}uµv]µZ]]}(}lÇ}ZZÇ}v[]À]Çu]}]}u]}]Vinstead they divide by binary fission x A unique characteristic of a eukaryote is that is has a membrane bound nucleus called the nuclear membrane x Fossil records have proven that prokaryotes came first x Cyanobacteria uZ(]^o_À]vt they resemble a chloroplast x The two major groups of prokaryotes are called Archaea (archaebacteria)vthat are extremophiles/thermophiles that live in very high temperatures and Bacteria (eubacteria) treferring to all other bacteria x There are two types of eukaryotic cells : unicellular (eg. protists) and multicellular (eg. humans) x HeLa cells discovered/used by Henrietta Lax refers to tumour tissue t used in cell culture/cell line: primary cultures that have undergone genetic modifications to allow them to grow indefinitely in culture x Neurons x In elect}vu]}}Ç~DÁZo}vµZ^o]PZ_}µVZZ}wavelength gives the higher resolution x Stem cells are undifferentiated cells www.notesolution.comLECTURE#1 N A cell is the smallest unit of life N Anton van Leeuwenhoek examined pond water under microscope and discovered what he called ^L]Ko oZ_ N Cells are capable of producing more of themselves through mitosis and meiosis N Cells respond to stimuli using cell surface proteins that are called ^ }Z_ Types of cells: prokaryotes and eukaryotes N ^}KL] Z ]Z] Z}}l}ZZ}L[]]K]}Z]Z}K]}Z]Z8 instead they divide by binary fission N A unique characteristic of a eukaryote is that is has a membrane bound nucleus called the nuclear membrane N Fossil records have proven that prokaryotes came first N Cyanobacteria KZ]Z^o_]L J they resemble a chloroplast N The two m
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