B1.1- Cell Structures Flashcards
Cell
Smallest functional unit in an organism
Cell membrane
Sub-cellular structure that controls which substances can move in and out of the cell
Cell wall
Sub-cellular structure that surrounds the cell, providing support
Chloroplast
Sub-cellular structure where photosynthesis takes place
Cytoplasm
A ‘jelly-like’ substance found in cells, where all the chemical reactions take place
Electron microscope
A microscope which uses electrons to produce an image
Eukaryotic cell
Cell whose genetic material is contained within the nucleus
Flagellum
A ‘tail-like’ structure which allows cells to move
Mitochondria
Sub-cellular structure where respiration takes place
Nucleus
Sub-cellular structure that controls the cell, and contains genetic information
Plasmid
A circular ring of DNA found in a bacterial cell
Prokaryotic cell
Cell without a nucleus, whose genetic material is found within the cytoplasm
Resolution
A measure of the smallest object which can be seen using an instrument
Vacuole
Sub-cellular structure that contains cell sap and helps to keep the cell firm