Biologically important steroids: (sterols – cholesterol and its derivatives, bile acids, steroid hormones), vitamin D3.
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9. Biologically important steroids: (sterols – cholesterol and its derivatives, bile acids, steroid hormones), vitamin D3.
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- 2. Describe the structure of the Insulin. Should include: The overall secondary structure of Insulin. Two specific examples of forces that are important for the tertiary structure. The quaternary structure with any additional subunits. PLEASE HELP! Thank you!Carbohydrate (True or False) 1. linked to lipids in hormones 2. contains C=O 3. linked to proteins in the cell membrane 4. provides energy in the form of glucose 5. possesses HC=O linked to lipids in hormones contains C=O linked to proteins in the cell membrane provides energy in the form of glucose possesses HC=O53.Vitamin E is the most potent and naturally occurring antioxidant (true/false) .True .False
- 5. Ways of cholesterol biotransformation, their tissue localization: 5.1. extracellular (LCAT) and intracellular (ACAT) cholesterol esterification, the role of polyunsaturated fatty acids, the biological significance of its esters; 5.2. biosynthesis of bile acids, formation of steroid hormones; vitamin D.CH,CH NH C-NHCH H3C S HN A B C D Look at chemical structure and chose true chemical group added to histamine structure for improvement oral bioavailability. Select one: O chemical group D O chemical group A o chemical group B O chemical group C3. Name the following oxidation/reduction product for the given monosaccharide. (2 pts each) COOH Сно H- OH но H- но -- но -- -OH H- -OH OH ČH2OH COOH а. b. COOH CHO H- -O- но -H но -H но но -H но -H H- -OH H -HO- COOH COOH C. d. COOH CH2OH H- -O- -OH -O- но H- Но -H -OH -OH H OH ČOOH ČH2OH е. f.
- 1. The biological value of cellulose for the gastrointestinal tract.7. Lactate dehydrogenase (LDH): structure, characteristics, isoforms and their diagnostic significance.1. Arachidonic acidsa. Linoleic polyunsaturated omega-6 fatty acid is its starting materialb. Sphingosine is its structural backbonec. Is the metabolic precursor for the production of most eicosanoidsd. Eicosapentanoic acids is the primary precursor4. Aldosterone is glucocorticoid hormone with Na+/K+ balance in the human body. Cortisol is an adrenocorticoid hormone that also helps in controlling glucose metabolism.a. Neither of the statements are INCORRECTb. Either of the statements are CORRECTc. Both statements are INCORRECTd. Only the First statement is INCORRECTe. Only ONE of the statements in CORRECT4. Which of the following substances is associated with Na+/K+ balance in the human body?a. Cortisolb. Cortisonec. Aldosteroned. Prednisolone5. Which of the following statements concerning steroid hormones is correct?a. Some, but not all of them, are cholesterol derivatives.b. Some, but not all of them, are glucose derivatives.c. Some, but not all of them, are fatty acid derivatives.d.…