Which Statements Are True

question 19

Multiple Choice

Which statements are true?
I. A-DNA forms a right-handed helix
II. B-DNA forms a left-handed helix
III. Z-DNA forms a left-handed helix
IV. ribose is a hexose

• A) I and II
• B) II and III
• C) III and IV
• D) I and III

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Definitions:

Charge

An inherent property of particles that causes them to experience a force in the presence of an electromagnetic field.

Lewis Structure

A graphical representation illustrating the connections between atoms within a molecule, including any existing unpaired electrons.

Molecular Formula

A representation of the number and type of atoms in a molecule, but not the arrangement or bonds between them.

Lewis Structure

A Lewis structure is a diagrammatic method for representing the valence electrons of an atom, molecule, or ion, showing how electrons are arranged and bonds formed.