DNA Genetic Coding and Cell Regulation Is Now Understood to Be

question 28

Multiple Choice

DNA genetic coding and cell regulation is now understood to be incredibly important to every cell among organisms, and is also associated with viruses. Through the early and mid 1900s, scientists developed new molecular analysis methods that changed the foundations of how we understand "life" to function. Normal health and homeostasis, as well as disease, and natural variations in form and function among organisms are now better understood. Medical and biological applications have increased dramatically with the understanding of DNA molecule structure, and it is helpful to have recognition of the scientists and sequence of events contributing to our understanding.
-The twisted ladder shape of DNA is a result of the covalently bonded building blocks called

• A) amino acids.
• B) monosaccharides.
• C) phospholipids.
• D) sterols.
• E) nucleotides.

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