Homework Answers
#4. In citric acid cycle , 2 carbons atoms enters the cycle at a time through the acetyl coenzymeA (acetyl CoA).
Thus option (a) 2 , is the correct answer.
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QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2 4...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are seve...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are several possible strategies, two of which are shown to the right: Which reaction is more favorable? Show all of the work for full credit O. OH ATP HO он он ADP Reaction 1 HO он OH он F 2,6 BP Reaction2 он COO соо 5. In the reaction to the right (from the citric acid cycle), what type of enzyme do you think catalyzes this...
1. 2. 3. 4. Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate...
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2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
QUESTION 16 How many (total) CO2 molecules are released from the citric acid cycle from the...
QUESTION 16 How many (total) CO2 molecules are released from the citric acid cycle from the breakdown of ONE MOLECULE of GLUCOSE? one two four six QUESTION 17 Fate(s) of pyruvate isare) Check all that apply. formation of ethyl alcohol by yeasts 2 formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under anaerobic conditions phosphorylation of ADP to produce ATP formation of acetyl-CoA under aerobic conditions QUESTION 18 In the electron transport chain,...
13. Describe 2 mechanisms whereby ATP is generated during cellular respiration Mechanism 1: Mechanism 2: 14....
13. Describe 2 mechanisms whereby ATP is generated during cellular respiration Mechanism 1: Mechanism 2: 14. Indicate the MAIN molecules that enter and exit each of these processes? Molecule(s) IN Process Molecule(s) OUT Glycolysis Pyruvate Oxidation Citric Acid/Krebs Cycle ETC Photophosphorylation Calvin Cycle 15. Isocitrate is a 6 carbon molecule that is oxidized to a-ketoglutarate (a 5 carbon molecule) by the enzyme isocitrate dehydrogenase. What happens to the extra carbon atom in this reaction and in which process (listed in...
8. The following molecules form during the stages of glycolysis: 1. pyruvate 2. NADH 3. Fructose-1,6...
8. The following molecules form during the stages of glycolysis: 1. pyruvate 2. NADH 3. Fructose-1,6 biphosphate glyceraldehyde-3-phosphate (G3P) 5. phosphoenol-pyruvate (PEP) In which order do they form? a. 3,2,5,4,1 b. 1, 2, 3, 4, 5 c. 5,4,3,2,1 d. 3, 4,2,5,1 9. What is true of the organic molecules that can be used in aerobic cellular respiration? Lipids and proteins can be used, but carbohydrates must be in the form of monosaccharides. b. Carbohydrates and lipids can be used, but...
I'd like to ask the answers for all of the uestions Question 1. A reaction in...
I'd
like to ask the answers for all of the uestions
Question 1. A reaction in an anabolic pathway in a cell has a AG of +2.5 kcal/mol. Which of the following is true regarding this reaction? A. It will occur spontaneously. B. The product of the reaction has a lower free energy than the reactants. C. It can occur if it is coupled to ATP hydrolysis. D. It is an exergonic reaction. E. It is breaking a polymer into...
thats all the information that he gave us to solve the question. Thank you for trying...
thats all the information that he gave us to solve the question.
Thank you for trying anyways
X C E Question 23 1 pts The free-energy changes for the transfer of individual amino acid residues from a hydrophobic to an aqueous environment are given as follows: Amino acid AG of transfer (kJ/mol Proline -0.8 -12.6 Histidine 6.7 Alanine Methionine 14.3 Based on this information, which of these amino acid pairs is MOST likely to be represented in membrane-spanning alpha helices?...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23,...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23, 4.24, 4.26 pg 170 - 4.29, 4.31, pg 171-4.36 pg 175 - 4.59 pg 176- 4.74, 4.75, 4.80 pg 177-4.81, 4.82 pg 188- 5.1, 5.4, 5.5, 5.6, 5.11 - Using Table 5.1 pg 198-5.22, 5.25 pg 203 - 5.29 pg 206 - 5.37 pg 209 - 5.39 pg 2.14 5.61 pg 235-6.11, 6.14, 6.16 156 CHAPTER 4 Introduction to Organic Compounds...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are several possible strategies, two of which are shown to the right: Which reaction is more favorable? Show all of the work for full credit O. OH ATP HO он он ADP Reaction 1 HO он OH он F 2,6 BP Reaction2 он COO соо 5. In the reaction to the right (from the citric acid cycle), what type of enzyme do you think catalyzes this...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
QUESTION 16 How many (total) CO2 molecules are released from the citric acid cycle from the breakdown of ONE MOLECULE of GLUCOSE? one two four six QUESTION 17 Fate(s) of pyruvate isare) Check all that apply. formation of ethyl alcohol by yeasts 2 formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under anaerobic conditions phosphorylation of ADP to produce ATP formation of acetyl-CoA under aerobic conditions QUESTION 18 In the electron transport chain,...
13. Describe 2 mechanisms whereby ATP is generated during cellular respiration Mechanism 1: Mechanism 2: 14. Indicate the MAIN molecules that enter and exit each of these processes? Molecule(s) IN Process Molecule(s) OUT Glycolysis Pyruvate Oxidation Citric Acid/Krebs Cycle ETC Photophosphorylation Calvin Cycle 15. Isocitrate is a 6 carbon molecule that is oxidized to a-ketoglutarate (a 5 carbon molecule) by the enzyme isocitrate dehydrogenase. What happens to the extra carbon atom in this reaction and in which process (listed in...
8. The following molecules form during the stages of glycolysis: 1. pyruvate 2. NADH 3. Fructose-1,6 biphosphate glyceraldehyde-3-phosphate (G3P) 5. phosphoenol-pyruvate (PEP) In which order do they form? a. 3,2,5,4,1 b. 1, 2, 3, 4, 5 c. 5,4,3,2,1 d. 3, 4,2,5,1 9. What is true of the organic molecules that can be used in aerobic cellular respiration? Lipids and proteins can be used, but carbohydrates must be in the form of monosaccharides. b. Carbohydrates and lipids can be used, but...
I'd
like to ask the answers for all of the uestions
Question 1. A reaction in an anabolic pathway in a cell has a AG of +2.5 kcal/mol. Which of the following is true regarding this reaction? A. It will occur spontaneously. B. The product of the reaction has a lower free energy than the reactants. C. It can occur if it is coupled to ATP hydrolysis. D. It is an exergonic reaction. E. It is breaking a polymer into...
thats all the information that he gave us to solve the question.
Thank you for trying anyways
X C E Question 23 1 pts The free-energy changes for the transfer of individual amino acid residues from a hydrophobic to an aqueous environment are given as follows: Amino acid AG of transfer (kJ/mol Proline -0.8 -12.6 Histidine 6.7 Alanine Methionine 14.3 Based on this information, which of these amino acid pairs is MOST likely to be represented in membrane-spanning alpha helices?...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23, 4.24, 4.26 pg 170 - 4.29, 4.31, pg 171-4.36 pg 175 - 4.59 pg 176- 4.74, 4.75, 4.80 pg 177-4.81, 4.82 pg 188- 5.1, 5.4, 5.5, 5.6, 5.11 - Using Table 5.1 pg 198-5.22, 5.25 pg 203 - 5.29 pg 206 - 5.37 pg 209 - 5.39 pg 2.14 5.61 pg 235-6.11, 6.14, 6.16 156 CHAPTER 4 Introduction to Organic Compounds...
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