Who First Elucidated the Structure of DNA

question 8

Multiple Choice

Who first elucidated the structure of DNA

• A)Hershey and Chase
• B)Avery,McCarty and MacLeod
• C)Watson and Crick
• D)Tatum and Beadle

Understand the key elements to include in the body of a routine request message.

Identify effective strategies for framing the closing of a routine request message.

Recognize the importance of stating the request upfront clearly and effectively.

Learn how to explain and justify routine requests appropriately.

---

Definitions:

XIC Instruction

In ladder logic and PLC programming, the "Examine if Closed" instruction that checks if a particular condition is true (i.e., if a contact is closed).

True

A logical or Boolean value indicating affirmative or confirmation, often represented digitally as '1' in binary.

Pressure Switch

A device that closes or opens an electrical contact when a certain set fluid pressure has been reached on its input.

Selector Switch

A switch used to select between two or more different operations or circuits.