OOC 1 H₂C H₂C H₂C-C HC H₂C NH NO HN Coo 1 CH₂ T CH₂ C-CH, CH C-CH₂ G=CH₂ "OOC 1 H₂C H₂C T H₂C H₂C-C 1100-N Feill) H₂C 000 CH₂ 1 CH₂ C-CH₂ C-CH₂ G=CH₂ The structure below is Fe- protoporphyrin IX. It is linked by bridging groups to form porphyrin ring. Addition of Fe to the porphyrin rings produces the heme group. Identify the group of atoms that can for H-bond interaction with water.
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- A mixture of dipeptides consisting of Lys-Gly, Thr-His, Ser-Leu, Glu-Gln was applied to column packed with cation-exchange resin at pH 6.0. Which of these dipeptides would be eluted from the column first? O Lys-Gly first O Thr-His first O Ser-Leu first O Glu-Gln first OA mixture of Thr-His and Ser-Leu firstFigure 2 shows the structure of Diidopropylphosphofluoridate. Explain how this compound inhibits chymotrypsin. CH3 F CH3 H-C-0-P-0-C-H CH3 CH3 Diidopropylphosphofluoridate (DIPF) Figure 2An incomplete structure of a porphyrin ring is shown below. The structure is missing three pi bonds and does not show the non-zero formal charges on two atoms. Complete the structure of the porphyrin ring with the missing pi bonds and formal charges. 0 0 +t DC 12⁰ H C N O S F P Cl Br I
- Give the systematic name of the following cyclic monosaccharides: 1. Name: он H он H OH он 2. Name: носн он он но 3. Name: ÇH2OH CH2OH ОННО ОНName the types of glycosidic bonds found in this olygomer, from left to right (from 1 to 3) CH 20H CH 2OH CH 2OH но OH OH OH OH OH OH O alpha1-1, alpha1-4, n O alpha1-4, alpha1-4, n O alpha1-4, beta1-2 O alpha1-4, beta1-4 O beta1-4, alpha 1-4 « Previous Next Not saved Submit QuizBiology Question
- Refer to the given lipid structure: CH,(CH,),,CH=CH-CH-OH CH,OH QH CH-NH-C-(CH,),,CH, CH2 OH 1. Explain what kind of product is formed if NAOH is added to a triglyceride? Discuss the principle of how the product can help in the fight against coronavirus. 2. Discuss why a saturated fatty acid like coconut oil has a good antioxidant property. 3. What are essential fatty acids? Cite some clinical signs of essential fatty acid deficiency. 4. why are essential fatty acids associated with a low incidence of heart disease? 5. what are the physiological effects of prostaglandins? Explain how aspirin can block the synthesis of prostaglandins? 6. In terms of structure, how is cholesterol different from bile salts? Cite causes of bile duct obstruction and symptoms. 7. Explain the cell membrane's lipid bilayer. What are the lipids found in the cell membrane? 8. Differentiate between passive and active transport movement of molecules across the cell membraneOne of the main sources of sphingosine in the body is in the cell membrane. What complication could arise from the biological synthesis of ceramide?Dehalogenase enzymes catalyze the clevage of C-X bonds. One such dehalogenase catalyzes the following reaction. An active site aspartate is thought to carry out the initial nucleophilic attack that expels the chloride. Select the most likely intermediate in the reaction. (Note the stereochemistry. Refer to P11.19 in the textbook if needed.) O O A C D OE -CH₂ H H₂C™ CO₂ H B CO₂ CI N H₂O Cr CO₂ H CO₂ нотум CH3 D CO₂ five N E CH₂