When the Reference Count Reaches Zero, the ________ Is Deleted

question 20

Multiple Choice

When the reference count reaches zero, the ________ is deleted and the memory is released.

• A) internal pointer
• B) external pointer
• C) internal reference
• D) external reference

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Definitions:

Erythro

A descriptor in stereochemistry, referring to molecules in which two substituents are on the same side in a Fischer projection.

Fischer Projection

A method for representing the three-dimensional configuration of molecules on a two-dimensional plane, used especially for carbohydrates.

α-Pyranose

A form of a sugar molecule where the ring structure is a six-membered pyran ring, with the anomeric carbon atom in the alpha configuration.

Haworth Structure

A way of representing cyclic structures of monosaccharides in a simplified three-dimensional perspective compared to the Fischer projection.