cells Flashcards
central part of an atom, made up of protons and neutrons. Also roundish structure inside a cell that acts as the control centre for the cell. Plural = nuclei.
nucleus
tiny, thread-like structure inside the nucleus of a cell. Chromosomes contain the DNA that carries genetic information.
chromosomes
the chemical substance found in all living things that encodes the genetic information of an organism
deoxyribonucleic acid (DNA)
cell division process that results in new cells with the same number of chromosomes as the original cell
mitosis
identical copy
clones
the process where the cytoplasm of a cell divides to form two daughter cells
cytokinesis
disease that can be transferred from one organism to another
infectious diseases
disease that cannot be transferred from one organism to another
non-infectious diseases
substance derived from a micro-organism and used to kill bacteria in the body
antibiotics
chemical used to kill bacteria on surfaces and non-living objects
disinfectants
mild disinfectant used on body tissue to kill microbes
antiseptics
describes an antiseptic that kills bacteria
bactericidal
describes an antiseptic that stops bacteria from growing or dividing but doesn’t kill them
bacteriostatic
instrument for viewing very small objects. A light microscope can magnify things up to 1500 times.
light microscopes
instrument for viewing very small objects. An electron microscope is much more powerful than a light microscope and can magnify things up to a million times.
electron microscopes