Forming the Cell Walls of Stems, Leaves, and Roots, What

question 56

Multiple Choice

Forming the cell walls of stems, leaves, and roots, what compound is the primary structural constituent of plant tissues?

• A) Enzymes
• B) Cellulose
• C) Chlorophyll
• D) Starch
• E) Protein

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Definitions:

Doublet

A pair of closely spaced lines or peaks observed in spectroscopy or other forms of analysis, indicating two related quantum states.

Singlet

In spectroscopy, a singlet represents a state in which all the electron spins are paired, leading to no magnetic spin multiplicity in the atomic or molecular orbital.

Proton Spin Decoupled

A nuclear magnetic resonance technique where the interaction between hydrogen nuclei and neighboring nuclei is removed to simplify the spectrum.

Triplet

In chemistry, a molecular entity with three similar elements or functional groups in its structure or a magnetic quantum state distinguished by three levels.