The synthesis of compound 6 proceeds via the metabolic pathway given below. Which enzyme is most suitable for controlling the synthesis of compound 6 by feedback inhibition? Which compound is most likely to be a negative modulator of this enzyme? Which compound is most likely to be a positive modulator of this enzyme?
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- Which of the following is an anomer of B-D-gulopyranose? O O го ОН H ОН H ОН H H ОН CH₂OH -II- H H ОН ОН CH2OH H ОН ОН CH2OH О 0. H CH2OH то Н H H ОН H H - о H ОН ОН H ОН H ОН ОН H О ОН ОН H NIn the following scheme: HH, H₂C-C-C-Coo II HO H • NH, 1 H₂C-C-C-C000 H 2-Amino-3-ketobutyrate ↓ O H,C-C-CH₂-NH₂ Aminoacetone 0 0 H₂C-C-C-H Methylglyoxal H H₂C-C-COO OH D-Lactate O H₂C-C-C000 Pyruvate What molecule is being metabolized? Identify the reaction at each step. If it is an oxidation-reduction prove this is correct by showing oxidation state changes on the atoms in the structure.Name the following nucleotide: HN -0-P -0-CH2 OH
- A bi O=P-O-CH₂ 0- D Ribose sugar H H- B E N HH F OH H H. C NGN -H N H N HPut the following anions in order from most nucleophillic to least nucleophillic: Br- I- F- Cl-НО b) HO 1) Name each listed compound (a, b, c, d) below, 2) Arrange them in a right reaction order for corresponded conjugation, and 3) List all involved enzyme(s) in each step. OH НО- OH COOH o-t=o OH Н н OH HN H ОН H H OH HN Н OH c) НО d) HO HO HO OH COOH OH O₂PO OH XR
- Polypeptides are continuously synthesized and broken down within living systems. One of these processes is shown in the figure below. H | H H 'c | H H-N-! C D ا R₂ C ا R₁ o=U o=U A polypeptide reaction I-Z 2-1 H - بے ے | H || u=0 =0 =- I-Ź -N- H | ---- HO o= --- R3 -- |--OH I - U=0 2-1 -- U=O H 1-2 A a polypeptide chain that folds to form the tertiary structure B a polypeptide chain that is denatured into the primary structure a chain of amino acids linked by dehydration synthesis H-U C ا o= Rs Which of the following provides the best description of the reaction shown in the figure? ---- 2-1 a polypeptide chain that is broken down through a hydrolysis reaction H o= I-Z C - OH o=n - بے C - OH v=0Which of the following is an aldo-tetrose ? * НО H НО Н OH Н OH OH CH2OH (a) (d) H Н НО H A B D OE н -ОН -ОН CH₂OH c=0 н -OH CH₂OH (b) (e) н НО НО H- CH₂OH c=0 -H H OH CH₂OH (c) H Н CH₂OH Т c=0 OH OH CH2OHIdentify the biomolecule represented by the following image. O=P-O. 5' Base ОН 4" 1' 3 2' ОН
- Which is the correct name for the structure below? CH;OH НО OH Futton ations rive O a-D-arabinofuranose ebook O a-D-arabinopyranose Teams O B-D-arabinofuranose OB-D-arabinopyranoseWhich of the following is an anomer of a-D-galactopyranose? CH,OH он он он H он ÇH,OH OH он H он H он ÇH,OH он H. H OH он ÇH,OH OH он он он HHIDescribe the quarternary structure of the enzyme aspartate transcarbamoylase: Dodecamer Monomer Tetramer Hexamer Decamer