When DNA Is Heated to Just Below Boiling (90^oC -

question 19

Multiple Choice

When DNA is heated to just below boiling (90^oC - 95^oC) ,

• A)the sugar phosphate backbone of the DNA strands breaks.
• B)the sugar, phosphate and base come apart in each nucleotide.
• C)the helix unwinds but hydrogen bonds between the bases remain intact.
• D)the two DNA strands separate completely.
• E)Nothing happens until the boiling point is reached (100^oC).

Describe different types of motor shaft designs and their applications.

Understand the concept of rated torque and its significance in motor operations.

Gain knowledge about standards agencies and their role in motor specifications.

Comprehend the importance of nameplate data including rated voltage and how it affects motor operation.

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