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| inside of cell consists of all cellular contents between the nucleus and cell membrane |
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| largest organelle, control center, contains DNA, necessary for all cellular activities |
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barrier surrounding a cell controls what goes in and out of a cell
controls communication between cells |
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| jelly/liquid part of cytoplasm |
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| made out of phospholipids and proteins must tuck in tails, non polar tails and polar head, anything non polar can cross, and prevents all proplar molecules from moving through |
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| anything without marker body attacks Glycoproteins and Glycolipids |
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| provides structure and suppourt to the cell membrane |
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| span whole cell membrane, provides channels to allow specific molecules to cross the membrane. can be transporters or channels |
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| float right on the surface, loosly attached to exterior,relay messafe to cell, can be receptors/enzymes |
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| gases and non polar substances cross easily ions and polar molecules cannot cross |
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| no energy required to cross, going down the [] gradient, diffusion and osmosis |
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| passive process where substance moves down the concentration gradient |
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| Oxgen, C02, nonpolat substances have no problem crossing membrane, squeeze through tails |
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| polar molecules like gluclose need transporter to pass through |
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| Movement of water down the concentration gradient |
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| not enough solute outside the cell. Water moves in. |
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| too much solute outside. Water moves out |
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| hair like projections used to move substances in our out Ex: in fallopian tubes |
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| tail like projection. Makes sperm mobile. Many bacteria also have |
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| site of protein synthesis (free or bound) |
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| make proteins for the cell/location cytoplasm |
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| makes proteins to export out of the cell /rough endoplasmic reticulum |
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| Rough Endoplasmic Retiuculm |
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| has bound ribosomes attached to it, processes and sorts proteins, like the cellular post office |
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| has no ribosomes, involves in syntheis of fatty acids and steroids (Liver cells have alot |
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| close to the rough ER- look like a stack of pancakes sorts proteins Rough ER packages the proteins into vesicles modifies the proteins adds sugar: glycoprotein and lipid: lipoproteins |
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| : leaving the cell in a vesicle |
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| larger than vesicles, could contain enzymes necessary to break down specific molecules, could contain as many as 60 different digestive enzymes. break anything down to the building blocks |
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| break down molecules to building blocks (think cell recycling, reuse proteins!) |
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| the break down of the cells. how we start to die. lyosomes consume everyhing but bones after you die |
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| like lysosomes but smaller. oxidases enzyme, remove H atoms from molecules, detoxifies, break apart substances and send them to the liver. |
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- site of ATP production
- in the process releases CO2 which we exhale (cellular respiration)- muscles have many |
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