english Flashcards
what is a cell wall
It is strong and stiff and keeps the plant in shape
cell membrane
it is a very thin and flexible substance that controls what goes in and out of the cell
cell
the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body.
cellulose
a carbohydrate that’s the primary structural component of plant cell walls
chlorophyll
a green pigment found in plants, algae, and cyanobacteria that’s essential for photosynthesis
chloroplast
plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place.
cytoplasm
a gel-like fluid that fills the inside of a cell and is made up of water, salts, and organic molecules and it keeps the plant alive
mitochondrion
the powerhouses of the cell. it releases energy from food
Nucleus
it controls the activity of the cell.
sap vacuole
It’s a large fluid-filled space. Inside it there is a solution of sugars, plus other substances dissolved in water
specialised cells
There are many different types of cells in our bodies. Each one has a particular function( The job that it does). They are specialised to carry out its function. That it has some structure that helps it carry out its function.