Biochemistry Lecture I Multiple Choice Questions
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Questions and Answers

Which field of study is concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy?

  • Chemistry
  • Biochemistry
  • Biology (correct)
  • Stereochemistry
  • What are the most important source of energy for your body?

  • Carbohydrates (correct)
  • Water
  • Fats
  • Protein
  • Which term refers to compounds that contain the same number of atoms of each element, but have different arrangements of their atoms?

  • Stereoisomers
  • Isomers (correct)
  • Diastereomers
  • Enantiomers
  • Which enzymes catalyze the cleavage of phosphodiester bonds between nucleotide subunits in nucleic acids?

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

    Which group of transferases catalyze the transfer of an amine group?

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

    Which type of enzymes break down lipids into fatty acids and glycerol by cleaving ester bonds?

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

    Which is the smallest of the 20 Amino acids commonly found in proteins?

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

    Which enzyme catalyzes the hydrolysis, breaking single bonds through the addition of water?

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

    What is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis called?

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

    What denotes the various biochemical processes responsible for the synthesis of proteins and amino acids?

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

    Where does the breakdown of amino acids to alpha-keto acids occur, following a bimolecular Ping-Pong mechanism?

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

    What is the most characterized type of core promoter in eukaryotes, represented by a short DNA sequence?

    <p>TATA BOX</p> Signup and view all the answers

    What facilitates decoding by inducing the binding of complementary tRNA anticodon sequences to mRNA codons?

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

    What has a tendency to release the RNA transcript and produce truncated transcripts?

    <p>Abortive Initiation</p> Signup and view all the answers

    What is the cycle of biochemical reactions occurring in many animals that produces urea from ammonia called?

    <p>Urea Cycle</p> Signup and view all the answers

    What is a fundamental component of amino acids, which are the molecular building blocks of protein?

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

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