Questions: Which of the following is a false statement about the structure of DNA? short strands of DNA are contained in chromosomes inside the cytoplasm of a cell every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base DNA consists of two strands of nucleotides joined by hydrogen bonds: the long strands of nucleotides are twisted into a double helix What are the building blocks or monomers of DNA? 1 point amino acids fatty acids

Which of the following is a false statement about the structure of DNA? short strands of DNA are contained in chromosomes inside the cytoplasm of a cell every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base DNA consists of two strands of nucleotides joined by hydrogen bonds: the long strands of nucleotides are twisted into a double helix What are the building blocks or monomers of DNA? 1 point amino acids fatty acids
Transcript text: Which of the following is a false statement about the structure of DNA? short strands of DNA are contained in chromosomes inside the cytoplasm of a cell every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base DNA consists of two strands of nucleotides joined by hydrogen bonds: the long strands of nucleotides are twisted into a double helix What are the building blocks or monomers of DNA? 1 point amino acids fatty acids
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Solution

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The answer is the first one: short strands of DNA are contained in chromosomes inside the cytoplasm of a cell.

Explanation for each option:

  1. Short strands of DNA are contained in chromosomes inside the cytoplasm of a cell: This statement is false. In eukaryotic cells, DNA is contained within the nucleus, not the cytoplasm. In prokaryotic cells, DNA is found in the cytoplasm but not in the form of chromosomes as seen in eukaryotes.
  2. Every DNA nucleotide contains a sugar, a phosphate group, and a nitrogen base: This statement is true. Each nucleotide in DNA is composed of a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases (adenine, thymine, cytosine, or guanine).
  3. DNA consists of two strands of nucleotides joined by hydrogen bonds: This statement is true. The two strands of DNA are held together by hydrogen bonds between the complementary nitrogenous bases.
  4. The long strands of nucleotides are twisted into a double helix: This statement is true. The structure of DNA is a double helix, where two long strands of nucleotides are twisted around each other.

What are the building blocks or monomers of DNA? The answer is: nucleotides.

Explanation:

  • Amino acids: These are the building blocks of proteins, not DNA.
  • Fatty acids: These are the building blocks of lipids, not DNA.
  • Nucleotides: These are the building blocks of DNA, each consisting of a sugar, a phosphate group, and a nitrogenous base.

Summary: The false statement about the structure of DNA is that short strands of DNA are contained in chromosomes inside the cytoplasm of a cell. The building blocks or monomers of DNA are nucleotides.

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