Which of the following non-metals is a key component of DNA?

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Question: Which of the following non-metals is a key component of DNA?

Options:

Correct Answer: Nitrogen

Solution:

Nitrogen is a key component of DNA, forming part of the nucleotides that make up the genetic code.

Which of the following non-metals is a key component of DNA?

Which of the following non-metals is a key component of DNA?

Step 1: Understand what DNA is. DNA stands for deoxyribonucleic acid, and it carries genetic information.
Step 2: Learn about the components of DNA. DNA is made up of smaller units called nucleotides.
Step 3: Identify the parts of a nucleotide. Each nucleotide consists of three parts: a sugar, a phosphate group, and a nitrogenous base.
Step 4: Recognize the role of nitrogen. The nitrogenous bases in DNA include adenine, thymine, cytosine, and guanine, all of which contain nitrogen.
Step 5: Conclude that nitrogen is essential for DNA. Since nitrogen is part of the nitrogenous bases, it is a key component of DNA.

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