A Tour of the Cell

Question 1

Light microscope (LM)

Answer 1

An optics instrument wit lenses that refract (bend) visible light to magnify images of specimens.

Question 2

Organelles

Answer 2

Any of several membrane-enclosed structures with specialized functions, suspended in the cytosal of eukaryotic cells.

Question 3

Electron microscope (EM)

Answer 3

A microscope that uses magnets to focus an electron on r through a specimen resulting in a 100-fold greater resolution.

Question 4

Scanning electron Microscope (SEM)

Answer 4

used to study the fine details of cell surfaces.

Question 5

Transmission electron micrograph (TEM)

Answer 5

used to study the internal structure of thin sections of cells.

Question 6

Cell fractionation

Answer 6

The disruption of a cell and separation of its parts by centrifugation at successively higher speeds.

Question 7

Cytosol

Answer 7

The semifluid portion of the cytoplasm.

Question 8

Nucleoid

Answer 8

A non-membrane -enclosed region in a prokaryotic cell where its chromosome is located.