What Is the Significance of the Double Helix

question 86

Multiple Choice

What is the significance of the double helix?

• A) It is the shape of the chromosomes as they are divided by the centromeres.
• B) It is the shape of the nucleus when genetic material goes through meiosis.
• C) It is the bonding that occurs during the duplication process of mitosis.
• D) It is the structure of DNA when a chromosome unwinds in order to be replicated.

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Definitions:

Control Contacts

Control contacts are the parts of a relay or switch that make or break the connection in a control circuit, influencing the operation of a system or device.

Hand-off-automatic Circuit

A control circuit configuration that allows a device or system to be operated manually or automatically, based on the position of a selector switch.

Pilot Control Device

A mechanism or component used to regulate the operation of machinery or systems through the control of smaller power inputs.

Loss of Power

A situation where electrical power is interrupted or unavailable to a device or area.