For Each of the Following Questions, Determine Whether the Given

question 66

Multiple Choice

For each of the following questions, determine whether the given formula is a wff or not. If it is a wff, indicate its main operator.
-{∼R ⊃ [(Q • P) ⊃ S]}

• A) It's a wff. The main operator is the ∼.
• B) It's a wff. The main operator is the first ⊃, reading left to right.
• C) It's a wff. The main operator is the •.
• D) It's a wff. The main operator is the second ⊃, reading left to right.
• E) Not a wff

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Definitions:

Plasma Membrane

Cell membrane that encloses the cytoplasm; separates a cell from its external environment.

Cilia

Singular cilium. Short, hairlike structures that project from the plasma membrane of some eukaryotic cells. Motile types often occur in clumps that beat in unison.

Flagella

Long, whip-like structures that protrude from the cell body of certain organisms, used for movement.

Selectively Permeable

A characteristic of cell membranes that allows certain molecules or ions to pass through it by means of active or passive transport, while blocking others.