Cells - Chapter 3 Flashcards
cell
the building blocks of life, there are billions in the human body as well as single-celled organisms, it is the smallest unit of life
light microscope
a machine for viewing very small objects, it can magnify things up to 1500 times
electron microscope
a machine for viewing very small objects, it is more powerful then a light microscope and can magnify things up to a million times
monocular
a microscope which the specimen is viewed using only one eye
binocular
a microscope that has two eye pieces so you can see what you are viewing with both eyes
stereo
a microscope which the specimen is viewed using both eyes
magnification
the amount of times an image of an object has been enlarged using a lens
microscope
a machine for viewing small objects
unicellular
a living thing that is made up of only one cell
multicellular
a living thing made up of more then one cell
micrometre
one millionth of a metre
nanometre
one billionth of a metre
nanotechnology
a field that studies cells and other small objects
Prokaryotes
organism in the prokaryote kingdom
nucleus
central part of an atom
chromosone
a thread-like structure inside the nucleus
mitosis
a process that results in new cells with the same number of chromosones as the old one
clones
an identical copy of something
cytokinesis
process of where cytoplasm of a cell divides to form two daughter cells
infectious disease
disease that can be travelled from one organism to another
non-infectious disease
disease that cannot be transferred from one organism into another
epidermis
the outermost layer of skin
dermis
the deeper layer of skin underneath the epidermis
receptors
cells that detect energy and transfer it to the brain
