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_____ cells do not have a nucleus or membrane bound organelles
prokaryotic
which organelle makes proteins?
ribosomes
Which organelle makes lipids and removes toxins?
smooth ER
_____ cells have membrane bound organelles
eukaryotic
What is one characteristic all cells have?
cell membrane, ribosomes, cytoplasm, DNA
Which part of the cell is selectively permeable and regulates what can enter/leave the cell?
cell membrane, plasma membrane
Which organelle is the site of cellular respiration?
mitochondria
Which organelle receives, packages, and sorts proteins?
Golgi
What is one difference between a plant and an animal cell?
plants have cell walls and chloroplasts
What is the main component of the cell membrane?
phospholipids
The phosphate head of a phospholipid is __________ while the fatty acid tails are ________
hydrophilic, hydrophobic
What is one job of proteins in the cell membrane?
transport materials. signaling
The diffusion of water is called
osmosis
In simple diffusion molecules move from ____ to ____ concentration
high to low
What is one difference between active and passive transport?
active requires energy, moves low to high concentration
_______ is a type of passive transport that requires a protein to help move materials
facilitated diffusion
