If there is 24% adenine present in a dna helix, how much thymine would be present?

While Chargaff's rules applies to dsDNA and can be used to calculate proportion of other nucleotides, the same can’t be applied here.

The simple reason is that when you consider a single strand of DNA, you cannot predict the proportion of other nucleotides based on one.

For example, let’s take a DNA molecule with 100 nucleotides. On one strand you have 20 cytosine. From this, you can only tell that there will be 20 guanines on the complementary strand (complementary to cytosines that we know about). But looking at rest of the 80 nucleotides on our strand, it can be any of the three other nucleotide.

This is a trick question, which can be answered through logical reasoning only.

Hope it helps.

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explanation:

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image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.