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AP Bio Chapter 4&5

Cell structure and transportation

QuestionAnswer
3 parts of the cell theory 1. all living things are made with cells 2. cell is the basic unit of life 3. all cells come from pre-existing cells
Schleiden co-founded the cell theory
Schwann co-founded the cell theory
Virchow discovered that all cells come from pre-existing cells
Prokaryotic cells simpler, no membrane-bound organelles, smaller, more abundant, no nucleus, 1 chromosome, asexual reproduction
autogeny theory of cell evolution-- infolding of the cell membrane
endosymbiosis theory of cell evolution that bigger prokaryotes engulf smaller prokaryotes
evidence for endosymbiosis (mad drs) membranes, antibiotic susceptibility, division, DNA (identical to mom), Ribosomes, Size
where is DNA located in a prokaryotic cell? nucleoid
endomembrane system collection of membranes in eukaryotes-- plasma membrane, nuclear envelope, smooth and rough ER, golgi apparatus, lysosomes, vesicles, and vacuoles
functions of the smooth ER synthesis of lipids, metabolism of carbs, detoxification of drugs/poison, and storage of calcium
cytoskeleton is comprised of what? microfilaments, microtubules, and intermediate filaments (protein)
what 3 things must cells be able to process? 1. information 2. matter 3. energy
examples of passive transport osmosis, simple diffusion, facilitated diffusion
What tonicity are plant cells in homeostasis? Turgid (hypotonic)
Turgid homeostatic plant cell; hypotonic solution
Flaccid plant cell in isotonic solution
what does cholesterol do in the cell membrane? stabilizes membrane and adds structure
Peripheral proteins proteins that do not extend the full length of the membrane
Created by: ojvalley
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