Biology Organic Molecules Quiz

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Questions and Answers

Which type of bond helps stabilize the nuclear envelope by forming between amino acids of the same kind?

  • Hydrogen bond
  • Peptide bond
  • Ionic bond
  • Disulfide bond (correct)

What happens to the levels of organization in a protein when it is boiled?

  • It loses secondary structure only
  • It loses primary structure only
  • It retains all levels of organization
  • It loses all levels of organization besides primary (correct)

Which organelle breaks down carbon-containing molecules to produce ATP?

  • Centriole
  • Endoplasmic reticulum
  • Lysosome
  • Mitochondria (correct)

What is the general term for a large molecule made up of many similar subunits?

<p>Polymer (D)</p> Signup and view all the answers

Which enzyme is responsible for solving the chromosome end replication problem?

<p>Telomerase (B)</p> Signup and view all the answers

What is the primary enzyme involved in the synthesis of tens of thousands of different eukaryotic mRNAs?

<p>RNA polymerase II (D)</p> Signup and view all the answers

Which enzyme joins DNA fragments to the lagging strand during DNA replication?

<p>Ligase (B)</p> Signup and view all the answers

What is the role of the major and minor grooves in the DNA helical structure?

<p>Provide recognition and binding sites for various DNA binding proteins (A)</p> Signup and view all the answers

Which nucleoside with three phosphate groups is also known as a nucleotide triphosphate?

<p>Adenosine (C)</p> Signup and view all the answers

What is the genomic [G]+[C] content of Helicobacter pylori, an important human pathogen, if its [A] content is 31%?

<p>38% (A)</p> Signup and view all the answers

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