The Visible Spectrum for Humans Extends Between a Wavelength of

question 18

Multiple Choice

The visible spectrum for humans extends between a wavelength of

• A) 700 and 1000 nm.
• B) 100 and 200 nm.
• C) 200 and 400 nm.
• D) 2000 and 2500 nm.
• E) 400 and 700 nm.

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Definitions:

Pyrimidine

Pyrimidine is a nitrogenous base found in DNA and RNA, crucial for the structure of genetic information, including two of the DNA bases, cytosine and thymine, and the RNA base uracil.

Double-ring Molecule

Compounds containing two connected cyclic structures, which can include aromatic compounds such as naphthalene.

Nucleic Acid

Complex organic substances that serve as the blueprint for genetic information in living organisms, primarily DNA andRNA, which encode the instructions for synthesizing proteins.

Carbohydrate

Compound containing carbon, hydrogen, and oxygen, in the approximate ratio of C:2H:O (e.g., sugars, starch, and cellulose).