BIOCHEM LECTURE CHAPTER 7: Nucleic Acids
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BIOCHEM LECTURE CHAPTER 7: Nucleic Acids

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Questions and Answers

What are the molecules of heredity?

DNA and RNA

What did scientists in the late nineteenth century believe about the molecules within the nucleus related to heredity?

They believed that the molecules within the nucleus were associated with heredity.

What is the main role of NAR (Nucleic Acid of Ribonucleotide)?

Act as a template for protein synthesis

Which type of nucleic acid indicates that genes are clustered within NAR (Nucleic Acid of Ribonucleotide)?

<p>mi-lnsuceiu Duid</p> Signup and view all the answers

What type of nucleic acid is 3AR?

<p>Ribonucleic acid</p> Signup and view all the answers

What is the primary function of 3AR (Nucleic Acid of Ribonucleotide)?

<p>Protein synthesis</p> Signup and view all the answers

What are the components of a nucleotide?

<p>Base, monosaccharide (sugar), and phosphate</p> Signup and view all the answers

Which nucleic acid contains the purine adenine?

<p>DNA</p> Signup and view all the answers

What type of bond is formed between adenine and thymine in DNA?

<p>Hydrogen bond</p> Signup and view all the answers

Which pair of nucleotides are complementary to each other in DNA?

<p>Adenine-Thymine and Guanine-Cytosine</p> Signup and view all the answers

What is the function of ribonucleic acid (RNA) in cells?

<p>Protein synthesis</p> Signup and view all the answers

Which type of bonding is involved in the structure of RNA and DNA?

<p>Hydrogen bonding</p> Signup and view all the answers

What are the purines found in nucleic acids?

<p>Adenine and guanine</p> Signup and view all the answers

Which type of bond pairs the complementary nucleotides in RNA?

<p>Hydrogen bond</p> Signup and view all the answers

Which nucleic acid is involved in the synthesis of proteins?

<p>Ribonucleic Acid (RNA)</p> Signup and view all the answers

What is the primary difference between purines and pyrimidines?

<p>Purines contain a single-ring structure, while pyrimidines contain a double-ring structure.</p> Signup and view all the answers

Which bond pairs the complementary nucleotides in RNA?

<p>Hydrogen bond</p> Signup and view all the answers

Which nucleotide is involved in the transfer of energy within cells?

<p>Adenine</p> Signup and view all the answers

What do purines and pyrimidines refer to in the context of nucleic acids?

<p>Structural elements of DNA and RNA</p> Signup and view all the answers

Which type of nucleotide contains a base, a monosaccharide, and a phosphate group?

<p>Ribonucleotide</p> Signup and view all the answers

What is the significance of the hydrogen bonds in DNA and RNA?

<p>They provide stability to the double helix structure.</p> Signup and view all the answers

Which of the following statements accurately reflects the role of NAR (Nucleic Acid of Ribonucleotide)?

<p>NAR serves as the primary molecule for the storage and transmission of genetic information in cells.</p> Signup and view all the answers

What did scientists in the late nineteenth century believe about the molecules within the nucleus related to heredity?

<p>They believed that the molecules within the nucleus actively controlled heredity and genetic traits.</p> Signup and view all the answers

What is the significance of identifying the structure of NAR (Ribonucleic Acid) within the nucleus?

<p>It helps in unraveling the mysteries of gene regulation and expression.</p> Signup and view all the answers

What type of interaction is observed among different nucleotides in NAR (Ribonucleic Acid)?

<p>Hydrogen bonding between complementary nucleotide bases</p> Signup and view all the answers

How do 3AR (Nucleic Acid of Ribonucleotide) and 4enev (Nucleic Acid of Ribonucleotide) differ?

<p>3AR contains uracil as one of its nucleotide bases, while 4enev lacks thymine in its nucleotide composition.</p> Signup and view all the answers

What is the primary role of 3AR (Nucleic Acid of Ribonucleotide) within the cell?

<p>Regulating gene expression and controlling various cellular processes</p> Signup and view all the answers

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