BIOLOGY KEY WORDS Flashcards
(22 cards)
Eukaryotic
a cell with a nucleus
prokaryotic
a cell or organism that doesn’t have a nucleus
Animal cell
??
Nucleus
Controls the cells activities and carries genetic information
Plant cell
??
Cell Membrane
It controls the movement of substances in and out of the cell.
Mitochondria
contains the enzymes for respiration, and where most energy is released
Ribosomes
Tiny structures where protein is built up
Cytoplasm
jelly-like substance where chemical reactions happen
Chloroplasts
contains chlorophyll which absorbs light energy for photosynthesis. Contains the enzymes needed for photosynthesis
Vacuole
Filled with cell sap to help keep the cell turgid.
Cell wall
Made from cellulose fibres and strengthens the cell and supports the plant.
Chlorophyll
green pigments that are found in plants and other organisms, which enables them to use the energy from sunlight.
Bacteria
very small organisms that are found everywhere and are the cause of many diseases
Flagellum
is a whip-like structure that allows a cell to move.
Respiration
the chemical reaction which releases energy from glucose
Photosynthesis
when green plants and certain other organisms transform light energy into chemical energy.
Microscope
a scientific instrument that makes small objects look larger.
Centrosomes
A microtubule rings which organises microtubules and provides structure for the cell
Only found in an animal cell
Lysosome
They break down excess or worn-out cell parts destroy invading viruses and bacteria.
Only found in an animal cell
Multicellular
an organism with MULTIPLE cells
how do you workout Total Magnification?
eyepiece x objective lens
