Components of Nucleic Acids Quiz

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Which type of nitrogenous bases have a single six-membered ring?

Pyrimidines (correct)

Adenine

Purines

Guanine

Which nitrogenous base is found in RNA but not in DNA?

Uracil (correct)

Thymine

Adenine

Cytosine

What monomers are used to make RNA?

Polysaccharides

Deoxyribonucleotides

Amino acids

Ribonucleotides (correct)

Who was the first to isolate DNA?

Friedrich Miescher Signup and view all the answers

Which scientist determined the chemical composition of nucleic acids and won the Nobel Prize in 1910?

Albrecht Kossel Signup and view all the answers

What forms the sugar-phosphate backbone in polynucleotides?

Phosphate joins between sugars of nucleotides Signup and view all the answers

What are the three components that make up a nucleotide?

Sugar, phosphate group, nitrogenous base Signup and view all the answers

Which component distinguishes deoxyribose from ribose?

Lacks an oxygen atom on the second carbon Signup and view all the answers

In DNA, what is the role of the nitrogenous base?

To store and transmit genetic information Signup and view all the answers

Which macromolecule category do nucleic acids like DNA belong to?

Nucleic acids Signup and view all the answers

What is the function of mRNA in the flow of genetic information?

Directs protein synthesis Signup and view all the answers

What is the role of ribosomes in protein synthesis?

Facilitate the synthesis of proteins Signup and view all the answers

Which type of bond joins nucleotides together in DNA strands?

Covalent bond Signup and view all the answers

In DNA, a phosphodiester bond forms between which carbons of two consecutive sugars?

3rd of one sugar and 5th of the other sugar Signup and view all the answers

Who were the researchers who worked on discovering the 3D structure of DNA?

Linus Pauling and Rosalind Franklin Signup and view all the answers

What is the genetic material that researchers knew about in the early 1950s?

DNA Signup and view all the answers

In a double helix structure, what are the two separate DNA polymers called?

Strands Signup and view all the answers

What type of bond is primarily responsible for holding the two strands of DNA together in a double helix?

Hydrogen bond Signup and view all the answers