CELLS
The basic unit of structure and function of living things is called the...........
CELL
lEEUWENHOEK developed the first.............
simple microscope
The electron microscope uses _______________instead of lenses.
electrons
Viruses contain genetic material and can............
reproduce
If a wet-mounted specimen is to be viewed with a compound microscope the specimen should be.....
thin enough to let light pass through it
Cells come from other living cells,
not from_______ matter.
non-living
The material to be seen under the microscope is called the...........
specimen
In the compound microscope, images are enlarged by the ...................
lenses
Robert Brown named the ....................
nucleus
In a compound microscope, the lens located closest to the slide is the................
objective
The cell was named by.........
HOOKE
The position of the final microscope image is enlarged, upside down, and..............
backwards
Microscopic specimens are measured in units called.........
microns or micrometers
Light passes through a specimen first passes through the ___________ lens.
objective
Which organisms are noncellular?
viruses
The microscope used most commonly for cell study is called the..........
The __________ of the microscope controls the amount of light that enters the microscope.
diaphragm
The microscope lens located at the top of the microscope is the ...................
eyepiece (ocular)
The total amount that the image has been enlarged is called..................
total magnification
Which of the following instruments will produce the greatest enlargement of a specimen?
electron microscope
The concept that all animals are made up of cells was reported by.........
Schwann
The microscope used to study large specimens is called the.................
dissecting microscope
The instrument used to separate cell parts according to density is the ................
centrifuge
The word unicellular means.................
one-celled
Male