Which of the Following Describes a Plasmid

question 74

Multiple Choice

Which of the following describes a plasmid?

• A) It is a circular loop of double stranded DNA.
• B) It is a left handed double helix of DNA.
• C) It is a single stranded DNA.
• D) None of these is correct.

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Definitions:

Examine If Open

A programming command used in PLCs to check if a digital input or control function is in an open (inactive or off) state before proceeding with logic operations.

Examine-Off Instruction

A programmable logic controller (PLC) command used to check if a specific input or condition is not active or off.

Normally Closed Relay

A normally closed relay is a type of relay where the contact points are closed (i.e., the circuit is complete and can carry current) when the relay is not energized, and open when it is energized.

Input Combinations

Input combinations refer to the specific sets or arrangements of input conditions or signals that determine the output or behavior of a system or circuit.