The Movement of Molecules from a Region of High Concentration

question 30

Multiple Choice

The movement of molecules from a region of high concentration to a region of low concentration is

• A) osmosis.
• B) movement against the concentration gradient.
• C) brownian motion.
• D) diffusion.
• E) only common in gases such as oxygen.

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Definitions:

DATE Function

A formula in spreadsheet software that generates a date value from individual year, month, and day components.

YEAR Function

A computing or spreadsheet function that extracts the year part from a date representation.

DATEVALUE

A function in spreadsheet programs that converts a date in the form of text to a serial number representing the date.

TODAY Function

A function in many spreadsheet programs that returns the current date, updating each time the document is opened or recalculated.