Which of the following is false concerning coenzyme A? A.) coenzyme A is a complex made...
Which of the following is false concerning coenzyme A?
A.) coenzyme A is a complex made up of components linked together ionically
B.) the thioester linkage in acetyl-CoA is a high enerygy bond
C.) The thiol group is the reactive portion of the acetyl-CoA molecule
D.) coenzyme A consists of a thioethanolamine, a pantothenic acid derivative and a 3'P-5'-ADP
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Which of the following is false concerning coenzyme A?
A.) coenzyme A is a complex made...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl CoA 2. What substance is produced by the oxidation of pyruvate and feeds into the citric acid cycle? glucose Acetyl CoA O2 CO2 3. Pyruvate can only oxidize in a presence of oxygen true false 4. Which of the following is Uncharacteristic of ATP? It is formed by attaching a phosphate group to ADP with a high-energy bond When dephosphorylated, ATP becomes ADP It...
Which among A-D is false concerning reassortment of the influenza virus genome? A. It results in...
Which among A-D is false concerning reassortment of the influenza virus genome? A. It results in antigenic drift B. It can occur if two different influenza strains infect the same cell C. It can lead to changes in the virus that allow it to avoid our immune system D. It has led to prior influenza virus forms like H3N2 and H2N2 E. None of A-D is false; all are true statements. Use the table of reduction potentials to answer the...
Which of the following statements concerning Leghemoglobin (LH) is false? A) when compared to horse hemoglobin...
Which of the following statements concerning Leghemoglobin (LH) is false? A) when compared to horse hemoglobin there are large scale rotations in each helix within LH b. the change each in rotation of each helix is thought to have occurred independently as the result of many amino acid changes occurring one at a time over long periods of time c. LH bears a striking resemblance to a light harvesting complex in cyanobacteria Dbhycocyanins are large protein complexes which utilize a...
6:35 PM Fri Apr 19 16% 242:37:15 Exit 24. In a coupled reaction that requires electrons, NADH may...
6:35 PM Fri Apr 19 16% 242:37:15 Exit 24. In a coupled reaction that requires electrons, NADH may be oxidized to what? NADH2 NAD+ NADPH NADP 25 The high energy bond formed from the reaction between CoA and a two carbon donor is called sulfhydryl phosphodiester thioester secondary amide Submit 6:35 PM Fri Apr 19 令16% Exit 242:36:58 Б18. There are 10 reactions in glycolysis. How many reactions does it take to make glucose in gluconeogenesis? 10 12 19. Pyruvate...
Which of the following is the cleaved to release s the necessary linkage between mclecules which...
Which of the following is the cleaved to release s the necessary linkage between mclecules which must be enough energy to divenformation ofATP by transfering a pro phate to ADP? linkage a High energy bond b. Hydrogen bond STriple bond 17. How many ATP molecules are generated for each NADH molecuile tio n the memibrane trons (and protons for chemiosmosis) to the electron transpor a. One b. Three C Five d. Disulfide bond e Double bond chain in the membrane?...
1. Which of the folowing statements about glucokinase and hexokinase (that catalyze the same reaction) is...
1. Which of the folowing statements about glucokinase and hexokinase (that catalyze the same reaction) is TRUE? A. Glucokinase has a higher capacity than hexokinase to convert glucose to glucose 6 phosphate B. Hexokinase is only active in the liver where it can utilize multiple hexoses C. While glucokinase requires ATP for its action, hexokinase requires GTP D. Glucokinase can act on multiple glucose-like sugars (such as galactose) E. Hexokinase has a higher Km and easily handles all the glucose...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys,...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
Questions on Metabolic Pathways & Energy balance 81 Match the items. #2 What can be said...
Questions on Metabolic Pathways & Energy balance
81 Match the items. #2 What can be said about the glycolysis pathway? a. Initial breakdown of carbohydrate b. Initial breakdown of fat C. Made by all three energy nutrients d. Removal of nitrogen from an amino acid e. Most ATP is produced a. requires oxygen. b. is the breakdown of pyruvate to acetyl COA. C. converts acetyl CoA into pantothenic acid. od results in the formation of pyruvate. 1. Electron Transport Chain...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the path of electrons through the light reactions of photosynthesis using the illustration below. A. Include PSII and PSI and label all the complexes involved i. Which complex pushes H* across the membrane? ii. Where do these electrons end up? iii. What is the purpose of splitting H2O? iv. Where do the light reactions take place? 2H2D Ot ENR NAOD ADP photolyetemi photosyetemi wlochtone be-...
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
Which of the following statements concerning Leghemoglobin (LH) is false? A) when compared to horse hemoglobin there are large scale rotations in each helix within LH b. the change each in rotation of each helix is thought to have occurred independently as the result of many amino acid changes occurring one at a time over long periods of time c. LH bears a striking resemblance to a light harvesting complex in cyanobacteria Dbhycocyanins are large protein complexes which utilize a...
6:35 PM Fri Apr 19 16% 242:37:15 Exit 24. In a coupled reaction that requires electrons, NADH may be oxidized to what? NADH2 NAD+ NADPH NADP 25 The high energy bond formed from the reaction between CoA and a two carbon donor is called sulfhydryl phosphodiester thioester secondary amide Submit 6:35 PM Fri Apr 19 令16% Exit 242:36:58 Б18. There are 10 reactions in glycolysis. How many reactions does it take to make glucose in gluconeogenesis? 10 12 19. Pyruvate...
Which of the following is the cleaved to release s the necessary linkage between mclecules which must be enough energy to divenformation ofATP by transfering a pro phate to ADP? linkage a High energy bond b. Hydrogen bond STriple bond 17. How many ATP molecules are generated for each NADH molecuile tio n the memibrane trons (and protons for chemiosmosis) to the electron transpor a. One b. Three C Five d. Disulfide bond e Double bond chain in the membrane?...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
Questions on Metabolic Pathways & Energy balance
81 Match the items. #2 What can be said about the glycolysis pathway? a. Initial breakdown of carbohydrate b. Initial breakdown of fat C. Made by all three energy nutrients d. Removal of nitrogen from an amino acid e. Most ATP is produced a. requires oxygen. b. is the breakdown of pyruvate to acetyl COA. C. converts acetyl CoA into pantothenic acid. od results in the formation of pyruvate. 1. Electron Transport Chain...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the path of electrons through the light reactions of photosynthesis using the illustration below. A. Include PSII and PSI and label all the complexes involved i. Which complex pushes H* across the membrane? ii. Where do these electrons end up? iii. What is the purpose of splitting H2O? iv. Where do the light reactions take place? 2H2D Ot ENR NAOD ADP photolyetemi photosyetemi wlochtone be-...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
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