USMLE ROAD MAP BIOCHEMISTRY – PART 1 ppsx

... excretion and synthesis in the kidneys. 4 USMLE Road Map: Biochemistry N pH = pK a pK a 1 pK a pK a +1 [A — ] [HA] pH 10 1 0 .1 Buffering zone Figure 1 1 . Weak acids act as buffers in a pH range ... otherwise. DOI: 10 .10 36/00 714 42057 USING THE USMLE ROAD MAP SERIES FOR SUCCESSFUL REVIEW What is the Road Map Series? Short of having your own personal tutor, the...

Ngày tải lên: 13/08/2014, 07:20

... ribose 5-phosphate (Figure 6–3 ). a. Ribose 5-phosphate provides the ribose and deoxyribose sugars found in nucleotides. 76 USMLE Road Map: Biochemistry N Table 6 1 . Energy yield in anaerobic ... two enzyme-catalyzed steps. 1. Carboxylation of pyruvate to oxaloacetate occurs in the mitochondria (Fig- ure 6–7 ). 82 USMLE Road Map: Biochemistry N F. Conversion of 1, 3-bisph...

Ngày tải lên: 13/08/2014, 07:20

... lethal soon after birth. 14 USMLE Road Map: Biochemistry N CLINICAL CORRELATION CLINICAL CORRELATION CLINICAL CORRELATION 34 USMLE Road Map: Biochemistry N V max V i 1 2 V max 0 0 [S] Positive ... acetylcholinesterase. – This hydrolase normally breaks down the neurotransmitter acetylcholine within nerve synapses. 28 USMLE Road Map: Biochemistry N Peptide substrate...

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... composition. 40 USMLE Road Map: Biochemistry N Steroid nucleus CH 3 HO AB CD CH 3 CH 3 CH 2 CH 2 CH 2 CH 3 CH 3 CH CH 2322 24 27 26 25 21 2 1 3 4 5 6 7 8 14 15 16 20 17 11 19 10 9 12 18 13 Figure 4–3 . Structure ... vary from 14 to 20. Saturated fatty acids Myristic acid (C 14 )CH 3 COOH(CH 2 ) 12 Palmitoleic acid (C 16 , 1 double bond) Palmitic acid (C 16...

Ngày tải lên: 13/08/2014, 07:20

... portion of fructose to be excreted in the urine. 86 USMLE Road Map: Biochemistry N CLINICAL CORRELATION CLINICAL CORRELATION 10 2 USMLE Road Map: Biochemistry N 5. The answer is A. This patient exhibits ... particles with receptors and enzymes involved in their metabolism. 10 4 USMLE Road Map: Biochemistry N CLINICAL CORRELATION Chapter 7: The TCA Cycle and Oxidative Ph...

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... possible problems: – Hepatic dysfunction leading to decreased bile acid synthesis. – Severe ileal disease leading to malabsorption of bile salts. – Obstruction of the biliary tract. 11 6 USMLE Road Map: Biochemistry N No ... impairs metabolism of medium- chain (C6–C12) fatty acids. – The C6–C12 fatty acids and their esters accumulate in tissues to cause toxicity. –...

Ngày tải lên: 13/08/2014, 07:20

... (see Chapter 12 ). 16 2 USMLE Road Map: Biochemistry N RNA Pol II Holoenzyme Non-template DNA strand Template DNA strand Topoisomerase Nascent hnRNA 5' 3' Synthesis Topoisomerase Figure 1 1 3 . ... nucleus by processing on spliceosomes (Figure 1 1 4 ). Chapter 11 : Nucleic Acid Structure and Function 16 3 N G p p p p G G p U p p A I A pU E2 C E1 E1 E2 A pU ApU G OH G...

Ngày tải lên: 13/08/2014, 07:20

... influence of environment q = A 1 400 = 1/ 20 = 0.05 and p = 1- q = 1- 0.05 = 0.95 P = ¢ 1 2 ≤¢ 1 2 ≤¢ 2 3 ≤ A 1 25,000 = ¢ 1 6 ≤¢ 1 500 ≤ = 1 3000 19 8 USMLE Road Map: Biochemistry N ... retardation. 18 6 USMLE Road Map: Biochemistry N Male Female Affected Unaffected Deceased Obligate carrier Marriage or mating Consanguinity Proband 12 34 12 345 12 3 12 3...

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... 223 N farnesylatin, 17 4 function, 1 3 1 9 membrane component, 41f, 42 structure, 1 1 1 3, 12 f synthesis, 16 8 1 73, 16 9f, 17 1f, 17 2f Pseudo-Hurler polydystrophy, 17 4 Purine biosynthesis, 13 9 1 42, 14 0f, 14 1f, 14 2f Pyrimidines ... modifi- cations, 17 3 1 76 genetic code/translation steps, 16 8 1 73, 17 1f, 17 2f mutations, 17 9 1 81, 18 0f oncogenes, 210 regulat...

Ngày tải lên: 13/08/2014, 07:20