Which One of the Following Elements Is Most Likely to Form

question 43

Multiple Choice

Which one of the following elements is most likely to form a 2- ion

• A) scandium
• B) selenium
• C) silicon
• D) strontium
• E) iodine

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Definitions:

Exocytosis

A process by which cells release substances to the external environment by vesicles fusing with the plasma membrane.

Secretory Vesicles

Membrane-bound vesicles containing substances that are to be secreted or transported out of the cell.

Plasma Membrane

The biological membrane that separates the interior of all cells from the outside environment, regulating the passage of substances in and out of cells.

Receptor-Mediated Endocytosis

A process by which cells internalize molecules (e.g., hormones, nutrients) by the inward budding of plasma membrane vesicles containing proteins with receptor sites specific to the molecules being internalized.