USMLE ROAD MAP BIOCHEMISTRY – PART 8 pdf

... most likely defective? A. Base excision repair B. Mismatch repair 164 USMLE Road Map: Biochemistry N 2. The tRNAs are 6 5–1 10 nucleotides long and their backbones fold back to allow for intramolecular ... the substitution of a purine for a pyrimidine or vice versa (eg, A to C or T to G). 1 58 USMLE Road Map: Biochemistry N CLINICAL CORRELATION FANCONI ANEMIA • Fanconi anemia...

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... approxi- mately 100 to 1, what would be the pH in the muscle cells? A. 1 .86 B. 2 .86 C. 3 .86 D. 4 .86 E. 5 .86 6 USMLE Road Map: Biochemistry N CLINICAL CORRELATION Copyright © 2007 by The McGraw-Hill ... N LANGE USMLE ROAD MAP BIOCHEMISTRY RICHARD G. MACDONALD Department of Biochemistry and Molecular Biology University of Nebraska Medical Center Omaha, Nebraska WILLI...

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... frequently 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 ... inhibit the enzyme acetylcholinesterase. – This hydrolase normally breaks down the neurotransmitter acetylcholine within nerve synapses. 28 USMLE Road Map: Bioc...

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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 ... transport coupled to ATP hydrolysis 48 USMLE Road Map: Biochemistry N 2. The fatty acids attached to the glycerol backbone also vary in length and struc- tur...

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... to 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 ... mobilized source of glucose to provide for the short-term needs of the body. 78 USMLE Road Map: Biochemistry N Table 6–2 . Regulators of enzyme activity in glucose metabolis...

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... portion of fructose to be excreted in the urine. 86 USMLE Road Map: Biochemistry N CLINICAL CORRELATION CLINICAL CORRELATION 102 USMLE Road Map: Biochemistry N 5. The answer is A. This patient ... that is the pre- cursor for several other omega-3 (␻-3) fatty acids. Chapter 8: Lipid Metabolism 105 N 88 USMLE Road Map: Biochemistry N 4. Which of the following was the mos...

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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. 116 USMLE Road Map: Biochemistry N No ... the final step. 110 USMLE Road Map: Biochemistry N LCFA CoA LCFA CoA Carnitine Carnitine Matrix CoA CoA Acyl-carnitine Acyl-carnitine Outer Inner...

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... dominant condition because disease symptoms would be expressed in heterozygotes. 188 USMLE Road Map: Biochemistry N Table 1 3–1 . Molecular phenotypes of autosomal dominant disease. a Molecular Explanation ... principles based on these same data. 2pq = 2(0.02)(0. 98) = 0.0392 or 3.9% q = A 1 2500 = 20.0004 = 0.02, and: p = 1- q = 1- 0.02 = 0. 98 194 USMLE Road Map: Biochemist...

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... 5 6–6 4 Gluconeogenesis, 8 2 8 5 Glucose homeostasis, 5 6–5 8, 57f Glycerophospholipids (phosphoglycerides), 3 7–3 8, 38f distinguishing structures, 37 fatty acids, 38, 38f Glycogen metabolism, 55, 7 8 8 2 glycogen ... problems/ solutions, 18 1–1 84 gene therapy, 23 genetic code, 1 68 genetic code/post-trans- lational protein modifi- cations, 17 3–1 76 genetic code/translat...

Ngày tải lên: 13/08/2014, 07:20