Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 6, Problem 8TY
Summary Introduction
Introduction:
Several reactions are very crucial for the generation of energy to power up the cellular machinery and systems in the human body. Some examples of such reactions are glycolysis, tricarboxylic acid cycle, and electron transport chain. The main purpose of these reactions is to yield energy.
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Which of the following cellular concentrations would be likely to increase the rate of glycolysis?
Low AMP levels
High glucagon levels
✓Low fructose-2,6-bisphosphate levels
High AMP levels
High phosphoenolpyruvate levels
Low ATP levels
The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate do NOT involve:
Group of answer choices
ATP synthesis.
catalysis by phosphoglycerate kinase.
oxidation of NADH to NAD+.
the formation of 1,3-bisphosphoglycerate.
Identify the enzymes that are required for the synthesis of a glycogen particle starting from glucose 6-phosphate.
glycogen synthase kinase
UDP-glucose pyrophosphorylase
glycogen phosphorylase
branching enzyme
glycogen synthase
Chapter 6 Solutions
Principles of Biology
Ch. 6.1 - Which do you think has more entropy, an NaCl...Ch. 6.1 - Prob. 1TYKCh. 6.1 - Prob. 2TYKCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.2 - Prob. 1TYKCh. 6.2 - An inhibitor raises the Km for an enzyme but has...Ch. 6.3 - Prob. 1CCCh. 6.3 - Prob. 1TYK
Ch. 6.3 - Prob. 2TYKCh. 6.3 - Prob. 3TYKCh. 6.4 - Prob. 1CCCh. 6.4 - Prob. 1BCCh. 6.4 - Prob. 1TYKCh. 6.4 - Prob. 2TYKCh. 6.4 - Prob. 2CCCh. 6.5 - Prob. 1TYKCh. 6.6 - During the citric acid cycle, what happens to...Ch. 6.7 - Prob. 1CCCh. 6.7 - Prob. 2CCCh. 6.7 - Prob. 3CCCh. 6.7 - Prob. 1TYKCh. 6.7 - Prob. 2TYKCh. 6.7 - Prob. 3TYKCh. 6.8 - Prob. 1CCCh. 6.8 - Prob. 1TYKCh. 6 - According to the second law of thermodynamics....Ch. 6 - Reactions that release free energy are exergonic....Ch. 6 - Prob. 3TYCh. 6 - Prob. 4TYCh. 6 - Prob. 5TYCh. 6 - Prob. 6TYCh. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Prob. 10TYCh. 6 - Describe the mechanism and purpose of feedback...Ch. 6 - What causes the rotation of the y subunit of ATP...Ch. 6 - PRINCIPLES A principle of biology is that living...Ch. 6 - Discuss how life can maintain its order in spite...Ch. 6 - Prob. 2CBQ
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- Which of these enzymes is needed to maintain a steady pool of methylene THF used in pyrimidine synthesis and cancer cells proliferation? Group of answer choices Phosphoglyceratedehydrogenase Glyceraldehydegehydrogenase Glycine decarboxylase Thymidylatesynthasearrow_forwardGlycogen synthase catalyzes glycogen synthesis. Determine whether each intermediate is associated with an “increase” or “decrease” and or “no effect” on the activity of glycogen synthase. Glucose 6-phosphate – cAMP –arrow_forwardwhat is the effects of muscle glycogen phosphorylase deficiency. abnormally high levels of skeletal muscle glycogen. skeletal muscle glycogen with an abnormally high degree of branching. a deficiency of skeletal muscle glycogen. decreased production of lactate under conditions of strenuous activity. an inability to import glucose into the cell.arrow_forward
- In which of the following metabolic conversions is ATP “generated” during glycolysis? Glucose —> Glucose-6-phosphate 1,3-Bisphosphoglycerate —> 3-Phosphoglycerate Fructose-1,6-bisphosphate —> Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate Glucose-6-phosphate —> Fructose-6-phosphate 2-Phosphoglycerate —> 3-Phosphoglyceratearrow_forwardTRUE OR FALSE: NAD most commonly oxidizes carbon – oxygen bonds NADH is the most common biochemical reducing agent FAD contains ribitol as part of its molecular structure Pantothenate is part of the Vitamin B12 structure. Vitamin D is involved with blood coagulation. People on a vegan diet usually require Vitamin B12 supplementation Transcription factors are one means of regulating metabolic processesarrow_forwardDifferent control mechanisms are used to regulate the synthesis of glycogen. Match the action on the left with the effect on the right. Increase in the concentration of inorganic phosphate ion Decrease in the activity of phosphoprotein phosphatase Phosphorylation of glycogen phosphorylase Dephosphorylation of glycogen synthase Ű Clear All Decreasing glycogen synthesis Increasing glycogen synthesis No effect on glycogen synthesisarrow_forward
- In the following diagram of glycolysis. Identify the steps that are amphibolic, taking place in both glycolysis and gluconeogenesis. Also, identify the regulated steps and what compounds act as regulators.arrow_forwardWhich of the following drives glycogenesis forward? O Phosphorylated glycogen synthase Dephosphorylated glycogen phosphorylase O Dephosphorylated glycogen synthase O Phosphorylated glycogen phosphorylasearrow_forwardWhich of the following products of the non-oxidative stage of PPP is an intermediate in the glycolysis pathway? Group of answer choices Glyceraldehyde-3-phosphate Xylulose-5-phosphate Erythrose-4-phosphate Ribose-5-phosphatearrow_forward
- An allosteric regulator of glycogen synthase is: UDP-glucose. cAMP. glucose 1-phosphate. ATP. glucose 6-phosphate.arrow_forwardGlycogen that is broken down in the muscle is not released as glucose into the circulation because the muscle lacks... Group of answer choices glucose-6-phosphatase phosphoryalse glycogen synthase hexokinasearrow_forwardIn which of the following metabolic conversions is ATP “generated” during glycolysis? Phosphoenolpyruvate -> pyruvate 2-Phosphoglycerate —> Phosphoenolpyruvate Glucose-6-phosphate —> Fructose-6-phosphate Fructose-1,6-bisphosphate —> Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate Fructose-6-phosphate —> Fructose-1,6-bisphosphatearrow_forward
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