science 7 Flashcards
cell
the smallest unit that can perform all life processes
nucleus
in a eukaryotic cell a membrane-bound organelle that contains the cells DNA
cell membrane
a phospholipid layer that covers a cells surface that acts as a barrier between the inside of the cell and the cells environment
cell wall
a rigid structure that surrounds the cell membrane and provides support the the cell
mitochondria
the organelle that breaks down food molecules to make ATP
chloroplast
the organelle the uses the energy of sunlight to make food
golgi complex
the organelle the processes and transports proteins and other materials out of cell
endoplasmic reticulum
the organelle that breaks down drugs and other substances
ribosome
the organelle in which amino acids are hooked together to make proteins
lysosome
the organelle that digests food particles
vacuole
the organelle that stores water and other materials
organelle
one of the small bodies in a cells cytoplasm that are specialized to perform a specific
prokaryotes
an organism that consists pf a single cell that does not have nucleus
eukaryote
an organism made up of cells that have a nucleus enclosed by a membrane, include animals plants and fungi
tissue
a group of similar cells that perform a common function