The First Workable Device for Generating Electrical Signals Suitable for the Transmission

question 67

Multiple Choice

The first workable device for generating electrical signals suitable for the transmission of a visual is the

• A) Cathode ray tube.
• B) Nipkow disc.
• C) Farnsworth connector.
• D) Baird's disc.

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Definitions:

Cell Plate

Structure across a dividing plant cell that signals the location of new plasma membranes and cell walls.

Animal Cells

Eukaryotic cells that lack cell walls, chloroplasts, and have a more complex structure including a nucleus and other membrane-bound organelles.

Plant Cells

The basic structural and functional units of plants, distinguished by their ability to perform photosynthesis through organelles called chloroplasts and having cell walls made of cellulose.

Meiosis

A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes.