Most Calculators Operate on 6

question 34

Multiple Choice

Most calculators operate on 6.0 V.If,instead of using batteries,you obtain 6.0 V from a transformer plugged into 110-V house wiring,what must the ratio of the primary to the secondary turns be in the transformer? (Ignore any changes in voltage due to rectification.)

• A)0.054
• B)18
• C)660
• D)0.066
• E)15

Explain the structure and function of antibodies, including similarities and differences with enzymes.

Determine how historical exposure to pathogens can affect immune responses to similar future pathogens.

Describe the genetic and molecular basis for the diversity of immune responses.

Understand the elements of innate defense mechanisms and their characteristics.