scansione0016 - Medical Chemif ‘teview orcl Tests 1 Which...

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Unformatted text preview: Medical Chemif ‘teview orcl Tests , 1 Which of the following is a hydrokeyacid (Min-liq mat} a) fumarate b) lactate » c . c) oxaloacetete gfl‘ho _ d) suoclnate [iw B Sill ./ 2. w-elatly midis ‘i‘i a) palrnltlc acid K CW"- ml“ (3 palmltoiaic acidx c :I‘“ olelc acid . = _ d) iinoleio acid CL-gzi‘q'n‘ c J a. Fatty acids obtained from natural lipids are generally EXCEPT a) of gm: carbon number b) monooarboxylll: v ) Insolubie In water v Q always trans tatty aolde cB'i'llm tint 9 ms ham lady , fl . All at the following statements about trianoylglyoerolsl'l'émal are true EXCEPT they are the main storage forms of latty acid: b) they are lipid constituents of membranes lit: «it. o) TAGa are esters of glycerol and fatty acids J. _ d) They are nearly all mixed Icylglyoerols MC in c Hui—oi J 5. What kind of lipid can be formed in the membrane only? A: glyoarophoephollpida & sphlngoiipida if 6. the name of a 615 sold with Melissa; group (at least one double bond) is a eteerlc acid it. linoienio sold I: oleic acid it. 516:55A‘u‘ls " “'fi'fl' d) llnoleic sold 3 r/ .7. What is the lipid that Is necessary for normal lung function and when lack of it will louse RDS (respiratory distress syndrome) A: Lecithin H» - EH -CH=CH -['-Ht.)l1- Ll-IJ . J B. Ceramide mandate of _ I i a) glycerol and fatty acids ' : '. H r. k! g b) sphingoaine and choline i o) ahoingoeine and phoxphonic sold H:C- 0H , dlhydroephingoelne and oerine m sphingosine and fatty acid WW“ - E (a Lfiisphlwiws rm) lecithin . (phoph-n‘ifli‘thdm). {in [L b) phosphatlc acid © phosphalldyleholine d) phoephatioylelhanoiahe e) sphinooeine c 10. Soluble soap are _ a) magnesium 3 Mai 9km b calcium gi‘ sodium iron e) copper C . l statements concerning enzymes are true EXCEPT a) e zymee ere biological catalysts / e formation of enzyme-substrate complex decreases the activation of energy \/ _ enzymes change the equilibrium oohsllnt of the reaction enzymes are not consumed during the reaction v C —-9 don‘t change constant 12. The Mloheelis constant (Km) characterizes i'wiiy 1 a) an affinity oi an enzyme to a substrate b) the maximal velocity 0) a concentration of an inhibitor d) non ot the above A —--> describe substrate concentration [substrate] tinhi Mints How-x. 13. Name the enzyme flags that oetatyze the following reactions a) 002 fixation ingest- b) Splitting peptide bonde' ln proteins hydmluiel c) Transferoi'ths phosphoryl group 'I'l'Msth d) Converting glucose to fniotoee Bummer. . Match the following three terms to the 3 questions 14. Enzyme-substrate complex 15. Enzyme 16 Cofaotor a) has a tertiary structure that recognizes the substrate Wit-1m" b) has a structure that fits the active site of an enzyme Whfiflifi . o) the combination of an enzyme with a substrate «5:1le submit! d) a nonprotein metal ion or an organic maiecule Mint“ D>O ———l ...
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