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|    rec.games.trivia    |    Discussion about trivia games    |    32,813 messages    |
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|    Message 31,424 of 32,813    |
|    Dan Tilque to Mark Brader    |
|    Re: QFTCIBSI23 Game 1, Rounds 7-8: amino    |
|    29 May 23 23:32:53    |
      From: dtilque@frontier.com              On 5/29/23 22:13, Mark Brader wrote:       >       >       > * Game 1, Round 7 - Science - Amino Acids       >       > Amino acids are the molecules that serve as building blocks for       > proteins. This set of questions will focus on the 20 standard       > amino acids that make up the proteins of the human body. Where       > we ask for the name of an amino acid, we need the full name and       > not an abbreviation.       >       > 1. Amino acids consist of a central carbon atom bonded to four       > chemical species, two of which give them their name. An amino       > group is a functional group consisting of hydrogen and which       > other element?              nitrogen              >       > 2. All amino acids belong to which class of acids, due to the       > presence of a namesake COOH group? This class of acids also       > includes acetic acid, the constituent acid of vinegar.       >       > 3. The other two species in an amino acid are a hydrogen atom and       > a side chain that defines which acid it is. Name the simplest       > amino acid, symbolized G, whose side chain is also just a       > hydrogen atom.       >       > 4. 19 of the 20 amino acids can exist as "left-" and "right-handed"       > isomers that are mirror images of each other. The exception is       > glycine, because of its two identical hydrogen groups. What is       > the chemical term for handedness in a molecular structure?              chirality              >       > 5. This amino acid, symbolized W, is a precursor to compounds like       > serotonin and melatonin. But it is probably *not* the main       > reason why turkey makes you sleepy. Name it.              tryptophan              >       > 6. Which amino acid, symbolized E, is a precursor to GABA and       > names a class of biochemical receptors for compounds like NMDA?       > You probably know it better for its sodium salt, a popular       > flavor enhancer.       >       > 7. Tryptophan, tyrosine, and phenylalanine are aromatic amino       > acids: they contain a functional group, which is what the       > "phenyl" in phenylalanine refers to, that's related to a       > ring-shaped molecule with formula C6H6. Name that molecule.              benzine              >       > 8. The Delta F508 mutation, a phenylalanine deletion, is the most       > common cause for what genetic disorder? This disorder is       > diagnosed by measuring chloride levels in a patient's sweat.       >       > 9. Phenylalanine and tryptophan are two of the nine amino acids       > described by what adjective? These amino acids are not       > sufficiently synthesized by the body, meaning that you must       > ingest them from food.              essential              >       > 10. Another |
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