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Questions and Answers
What is the primary function of DNA?
What is the primary function of DNA?
- Serving as a structural component of cell membranes
- Carrying genetic instructions for development and reproduction (correct)
- Facilitating protein synthesis
- Regulating metabolic processes
Which of the following is NOT a nitrogen-containing nucleobase in DNA?
Which of the following is NOT a nitrogen-containing nucleobase in DNA?
- Uracil (U) (correct)
- Thymine (T)
- Guanine (G)
- Cytosine (C)
What type of bond is responsible for joining nucleotides in a DNA strand?
What type of bond is responsible for joining nucleotides in a DNA strand?
- Hydrogen bond
- Ionic bond
- Van der Waals bond
- Covalent bond (correct)
Which macromolecule is NOT essential for all known forms of life?
Which macromolecule is NOT essential for all known forms of life?
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Which nucleobases form complementary pairs in a DNA double helix?
Which nucleobases form complementary pairs in a DNA double helix?
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