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Questions and Answers
Which two chemically distinct types of nucleic acids are required for the storage and expression of genetic information?
Which two chemically distinct types of nucleic acids are required for the storage and expression of genetic information?
- Adenine (A) and Thymine (T)
- Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) (correct)
- Uracil (U) and Ribose (R)
- Guanine (G) and Cytosine (C)
Who first described the structure of DNA in 1953?
Who first described the structure of DNA in 1953?
- Gregor Mendel
- Rosalind Franklin
- James Watson and Francis Crick (correct)
- Linus Pauling
What type of bonds join the deoxyribonucleotides in DNA?
What type of bonds join the deoxyribonucleotides in DNA?
- Covalent bonds
- Phosphodiester bonds (correct)
- Ionic bonds
- Hydrogen bonds
What forms the backbone of the DNA strand?
What forms the backbone of the DNA strand?
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In what direction do the two complementary strands of DNA double helix run?
In what direction do the two complementary strands of DNA double helix run?
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Which two chemically distinct types of nucleic acids are required for the storage and expression of genetic information?
Which two chemically distinct types of nucleic acids are required for the storage and expression of genetic information?
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What is the structure of DNA?
What is the structure of DNA?
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What are the bonds that join the deoxyribonucleotides in DNA?
What are the bonds that join the deoxyribonucleotides in DNA?
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What do the nitrogenous bases in DNA do?
What do the nitrogenous bases in DNA do?
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In what direction do the two complementary strands of DNA double helix run?
In what direction do the two complementary strands of DNA double helix run?
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