The ________ Controls the Brightness of the Light Emitted from the Substage

question 17

Multiple Choice

The ________ controls the brightness of the light emitted from the substage light source.

• A) iris diaphragm
• B) stage
• C) mechanical stage
• D) condenser lens

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Definitions:

Plasma Membrane

Membrane surrounding the cytoplasm that consists of a phospholipid bilayer with embedded proteins; functions to regulate the entrance and exit of molecules to and from the cell.

Archaea

A domain of single-celled microorganisms that are genetically distinct from bacteria and eukaryotes, often found in extreme environments.

Viral Replication

The process by which viruses reproduce by infiltrating host cells and using their machinery to create copies of themselves.

Biological Evolution

The process by which living organisms are thought to have developed and diversified from earlier forms during the history of the earth.