SBI4U Jeopardy Year in Review Chemical Basis of Life
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Questions and Answers

What are the two key functional groups in all protein subunits?

  • Methyl and carbonyl
  • Sulfhydryl and amino
  • Amine and carboxyl (correct)
  • Phosphate and hydroxyl
  • Which chemical process is responsible for building molecules?

  • Reduction
  • Oxidation
  • Dehydration synthesis (correct)
  • Hydrolysis
  • To which biomolecule category do steroids belong?

  • Lipids (correct)
  • Proteins
  • Nucleic acids
  • Carbohydrates
  • Which molecules help body chemical reactions?

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

    In photosystem II, electrons are replaced by electrons from which source?

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

    In DNA replication, what prevents the hydrogen bonds from reforming between nucleotides?

    <p>SSB protein</p> Signup and view all the answers

    What is the term for the number of organisms that can be sustained by an environment?

    <p>Carrying capacity</p> Signup and view all the answers

    What is the name for a positive neutral symbiotic relationship?

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

    In the context of the kidney, what does the afferent artery become?

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

    What is the main purpose of electrons in the Electron Transport Chain (ETC)?

    <p>Energy to pump out H+</p> Signup and view all the answers

    Which neurotransmitter is mainly responsible for transmission in the parasympathetic nervous system?

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

    Which process is responsible for a plant breathing out CO2?

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

    What is the identifiable protein found on any cell surface called?

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

    What causes DNA to have a slightly negative charge?

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

    What is the primary function of chlorophyll's porphyrin ring?

    <p>Absorb photons and excite electrons</p> Signup and view all the answers

    What is the role of DNA ligase in DNA replication?

    <p>Attaches Okazaki fragments</p> Signup and view all the answers

    What is the main function of SSB protein in DNA replication?

    <p>Unwinds the double-stranded DNA</p> Signup and view all the answers

    What is the function of phosphodiester bonds in DNA?

    <p>Join nucleic acids to form a polymer</p> Signup and view all the answers

    In C4 photosynthesis, where is carbon dioxide smuggled into?

    <p>Bundle sheath cells</p> Signup and view all the answers

    What are the molecules that assist body chemical reactions?

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

    What is the term for the number of organisms that can be sustained by an environment?

    <p>Carrying capacity</p> Signup and view all the answers

    What is the process whereby a plant breathes out CO2 called?

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

    In DNA replication, what prevents the hydrogen bonds from reforming between nucleotides?

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

    What is the main neurotransmitter in the nervous system responsible for transmission in the parasympathetic nervous system?

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

    Which neurotransmitter is mainly responsible for transmission in the parasympathetic nervous system?

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

    What is the term explaining the improbability of eye or flagella evolution?

    <p>Irreducible Complexity</p> Signup and view all the answers

    In photosystem II, electrons are replaced by electrons from which source?

    <p>$H_2O$</p> Signup and view all the answers

    Which chemical process is responsible for building molecules?

    <p>$ ext{Protein Synthesis}$</p> Signup and view all the answers

    What causes DNA to have a slightly negative charge?

    <p>$ ext{Phosphate}$</p> Signup and view all the answers

    What are the two possible end products of anaerobic respiration?

    <p>$Lactic acid, ethanol$</p> Signup and view all the answers

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