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Cells (Cell Transport (Active (Endocytosis (Endocytosis is a type of…
Cells
Prokaryotes
No Organelles, single celled, no nucleus, huge, ribosomes
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Eukaryotes
Have a nucleus, organelles, produce multicellular organism
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Plants
multi-cellular, chloroplast
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Organelle and Structure
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Cytoplasm
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Ribosomes
Molecular machines to make protiens, just a stuctuer
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Membrane and Cytoplasm
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Phospholipids Sturcture
Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.
Microfilaments
Fine, threadlike proteins found in the cell's cytoskeleton
Phospholipid Bilayer
a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward and the hydrophilic phosphate ends facing outward.
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Embedded Proteins
Embedded proteins are the proteins of the cell membrane which are completely embedded in the bilayer of phospholipids and have hydrophilic and hydrophobic regions. The region touching the hydrophobic tails are ought to be hydrophobic region where as the region of the protein exposed to the watery environment are the hydrophilic regions.
Cell Transport
Active
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Endocytosis
Endocytosis is a type of active transport in which a cell takes in a macromolecule, such as a protein or polysaccharide, or a even another cell. In this process, the cell membrane engulfs the substance by pinching inward, forming a vesicle around the substance, which is brought into the cell.
Exocytosis
Exocytosis is a type of active transport in which a cell a cell expells a macromolecule, such as a hormone or an enzyme, or cellular waste. In this process the Golgi body packages the molecule into a vacuole, which then fuses with the cell membrane, spilling its contents into the area surrounding the cell.
Passive
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Simple Diffusion
Osmosis
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Facilitated Diffusion
Facilitated diffusion is a form of facilitated transport involving the passive movement of molecules along their concentration gradient, guided by the presence of another molecule – usually an integral membrane protein forming a pore or channel.
Facilitated diffusion does not directly involve high-energy molecules like adenosine triphosphate (ATP) or guanosine triphosphate (GTP) since the molecules are moving along their concentration gradient.
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Simple diffusion is the process by which solutes are moved along a concentration gradient in a solution or across a semipermeable membrane.
Pinocytosis
the transport of fluid into a cell by means of local infoldings by the cell membrane so that a tiny vesicle or sac forms around each droplet, which is then taken into the interior of the cytoplasm.
Phagocytosis
the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.