Which Is NOT True About the Cell Theory

question 38

Multiple Choice

Which is NOT true about the cell theory?

• A)Its various parts were described by Schleiden,Schwann,and Virchow.
• B)It states that all organisms are composed of cells.
• C)It states that all cells come from preexisting cells.
• D)It states that bacteria and other small organisms can arise spontaneously.
• E)It is accepted today by biologists as applying to virtually all forms of life.

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Definitions:

Conductive Materials

Substances that permit the flow of electric current through them due to the presence of free charge carriers like electrons or ions.

Through-beam Photoelectric Sensor

A sensor that detects the presence of an object when the object interrupts a beam of light between transmitter and receiver components.

Light Beam

A narrow projection of photons, typically visible to the human eye, used in various applications from communication to measurement.

Latching Relays

Electromechanical switches that maintain their position (on or off) after being actuated, until they receive another specific actuation signal.