Examlex
Compounds secreted by one individual that affect the behavior or physiology of another individual are called _____________.
Nosepiece
A rotating part of a microscope that holds the objectives and can be turned to change from one magnification to another.
Electrical Cord
A length of insulated wire used to conduct electricity from a power source to an electrical appliance or device.
Condenser
In scientific equipment, a device to condense gaseous substances into liquid.
Aperture
A term commonly used to describe the opening in an optical system through which light passes, such as in a camera or telescope.
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