Which of the Following Is True of Sickle Cell Anemia

question 54

Multiple Choice

Which of the following is true of sickle cell anemia?

• A) It is a dominant genetic disease.
• B) It is caused by a mutation in the -globin gene.
• C) It is caused by an amino acid substitution in the F helix.
• D) It results in a hemoglobin that contains a hydrophobic amino acid on the surface.

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Definitions:

Logic Represented

Describes how logical states or operations are symbolized or implemented in programming or circuit design.

Ladder Logic

A graphical programming language resembling electrical relay logic, used for developing programs in programmable logic controllers (PLCs).

Output

The result or effect of a process, often referring to the signals or data sent by a system to actuate devices or display information.

Coil Symbols

In ladder logic or electrical schematics, coil symbols represent the output of a circuit and are controlled by the preceding contacts.