BIOCHEM-ACHIEVE(FIRST DAY DISCOUNTED)
9th Edition
ISBN: 2818000069358
Author: BERG
Publisher: MAC HIGHER
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Chapter 27, Problem 32P
Interpretation Introduction
Interpretation:
The advantage of converting pyruvate into lactate in the skeletal muscles should be determined.
Concept introduction:
The liver is a large organ that is situated on the right side of the abdomen. Its main functions are the
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Chapter 27 Solutions
BIOCHEM-ACHIEVE(FIRST DAY DISCOUNTED)
Ch. 27 - Prob. 1PCh. 27 - Prob. 2PCh. 27 - Prob. 3PCh. 27 - Prob. 4PCh. 27 - Prob. 5PCh. 27 - Prob. 6PCh. 27 - Prob. 7PCh. 27 - Prob. 8PCh. 27 - Prob. 9PCh. 27 - Prob. 10P
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- Please briefly explain the ATP_modulated actomyosin cycle.arrow_forwardMuscles may become hypoxic during the early stages of exercise, causing lactate to build up. a) Describe in detail how a lack of oxygen might cause lactate to build up in the muscles. b) Explain how lactate (typically thought of as a waste product) may be converted to glucose via gluconeogenesis.arrow_forwardWhat biochemical alterations facilitate the switch to aerobic glycolysis?arrow_forward
- Explain how production of lactate from pyruvate can promote glycolysis in the muscle cellsarrow_forwardWhat is the name of the by-product of anaerobic glycolysis that can lead to muscle fatigue and why does this by-product cause muscle fatigue?arrow_forwardQuestion #7 When you vigorously exercise your muscle cells produce lactate. Ultimately, the lactate that is produced is transported to the liver and converted back into glucose via the gluconeogenesis pathway. 7A Sketch how lactate in the liver is converted into glucose. You do not need to draw any structures of the intermediates, but should provide the names (or acronyms!) of all of the metabolic intermediates involved in the conversion of lactate to glucose. Make sure to indicate points in the pathway that make use of ATP (or an ATP equivalent) and NADH. OH O lactic acid 0000000 A -P=O OH OO во O ⒸO-P=O OH O-P=O O OH OO ОН HO-P=OO OH H OH H O=- 4 pyruvate J OH OH D H -P=O OH fry F OH OH Н. EN VIL O OH OH OH OH N M O LOH K OH OH OH علم OH OHarrow_forward
- Why do muscle cells use creatine phosphate instead of glycolysis to supply ATP for the first few seconds of muscle contraction?arrow_forwardPls help ASAP, thanks! "What is the primary outcome of the malate-aspartate shuttle run during glycolysis?"arrow_forwardAdipose tissue cannot resynthesize triacylglycerols from glycerol released during lipolysis (fat breakdown). Why not? Describe the metabolic route that is used to generate a glycerol compound for tri- acylglycerol synthesis.arrow_forward
- Consider the last few minutes of a tough race, when the runner's energy reserves are depleted. Explain the advantage of converting pyruvate to lactate in muscle cells during intense anaerobic effort (i.e. in the absence of oxygen).arrow_forwardMuscle Wasting in Starvation One consequence of starvation is a reduction in muscle mass. What happens to the muscle proteins?arrow_forwardSkeletal muscle cannot synthesize fatty acids, yet it producesthe enzyme acetyl-CoA carboxylase. Explain the role of thisenzymearrow_forward
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