unit 1 - cell structure Flashcards
what is cell ultrastructure?
all the parts that make up a cell
what is a cell wall?
structure surrounding a cell that protects and helps the cell to keep its shape
what is a cell membrane?
controls what enters and leaves the cell (it is selectively permeable)
what does selectively permeable mean?
only certain molecules can pass through
what are chloroplasts?
small green discs in plant cells where photosynthesis takes place
what is cytoplasm?
the jelly inside a cell where the organelles are found
what is a nucleus?
contains genetic info (DNA)
what is the ribosome?
site of protein synthesis
what is an organelle?
any part of the cell found in the cytoplasm
what is a fungal cell?
the cell type found in fungi
what is cellulose?
the chemical that makes up plant cell walls
what is a vacuole?
a structure found in the cytoplasm that contains cell sap in plants
what does a animal cell have?
what does an animal cell not have?
cell membrane, cytoplasm, mitochondria, ribosomes, nucleus
cell wall, chloroplasts, vacuole, plasmids
what does a plant cell have?
what does a plant cell not have?
cell wall, cell membrane, cytoplasm, mitochondria, chloroplasts, vacuole, ribosomes, nucleus
plasmids
what does a fungus cell have?
what does a fungus cell not have?
cell wall, cell membrane, cytoplasm, mitochondria, vacuole, ribosomes, nucleus, plasmids (SOMETIMES)
chloroplasts