bio cells Flashcards
Whats a vacuole
: a small cavity or space in the tissues of an organism containing air or fluid.help sequester waste products. In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell.
What is Simple Diffusion
is the movement of molecules in a fluid from areas of high concentration to areas of
What is facilitated Diffusion
a type of diffusion in which the molecules move from the region of higher concentration to the
What is the glogi apparatus
A stack of small flat sacs formed by membranes inside the cell’s cytoplasm
What are lysosomes
a membrane-bound cell organelle that contains digestive enzymes.
What is concentration
the amount of a substance, such as a salt, that is in a certain amount of tissue or liquid, su
what is osmosis
a process of movement of solvents through a semi-permeable membrane from a region of lower sol
What are Channel Proteins
a type of facilitated diffusion where molecules are moved across the membrane through a protein
What is a Plasma Membrane
the membrane found in all cells that separates the interior of the cell from the outside enviro
What is the Endoplasmic Reticulum
a network of membranes inside a cell through which proteins and other molecules move
Whats the difference between Plant and Animal Cells
Plant cells have a cell wall in addition to a cell membrane, whereas animal cells have only a c
what is chloroplast
the organelles responsible for photosynthesis
