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What stage of catabolism yields no ATP? Answer is just a single number... A/ Quote) While...
What stage of catabolism yields little ATP? I believe the answer is 2, please verify &...
What stage of catabolism yields little ATP? I believe the answer is 2, please verify & explain. Thankyou
Which three statements about amino acids are true? Use this chart of amino acid structures for...
Which three statements about amino acids are true? Use this chart of amino acid structures for reference. Lysine has one stereocenter (chiral center). Methionine is a thiol. The Leu side chain does not form hydrogen bonds with other amino acids. The form of glycine used by the human body is D-glycine. Ser and Thr are polar amino acids. Proline has an overall charge at physiological pH (7.4).
Lecture 3 Identify amino-/carboxy termini, and R-group on amino acid What is chirality? Identify a carbon...
Lecture 3 Identify amino-/carboxy termini, and R-group on amino acid What is chirality? Identify a carbon that is chiral (i.e., has 4 different groups attached) Chiral compounds rotate plane polarized light Memorize amino acid 1) structure, 2) classification (hydrophobic, aliphatic, aromatic, negatively charged, positively charged, polar uncharged) Be able to draw glycine (the generic amino acid) Given an amino acid structure and pKas of ionizable groups, be able to determine the charge at pH 1, pH 14, and pH 7...
HO HO но CASCHILOH HO-CACHS CH-OH * thr Use these structures to answer the questions below:...
HO HO но CASCHILOH HO-CACHS CH-OH * thr Use these structures to answer the questions below: HO H₂Ñ¢ão H₂N-d.co H₂N-d.co H₂N-d.co- CH₂C-oh asp ser J.S 0.5 a. Which amino acid is most polar? acp b. Which amino acid is least polar? c. Which amino acid is the most polar looking only at thr and ser? d. Which amino acid is the least polar looking only at asp and glu? Use these structures to answer the questions below: HO HO H₂N-¢&o....
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, n...
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...
Answer the following questions based upon a tripeptide sequence with the following amino acids: S L...
Answer the following questions based upon a tripeptide sequence with the following amino acids: S L D Serine Leucine Aspartate a) What is the overall charge of the most abundant tripeptide species at neutral pH (pH 7.0)? b) At physiological pH, what is the best desciption of the chemical properties of the side chain of each amino acid? options are: hydrophobic, polar uncharged, negativelly charged, and positively charged c) What is the overall charge of the most abundant tripeptide...
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl...
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
of alanine has a pk of 9.87. What is the 153, The amino group charge on...
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
please answer part (ii) (b) The amino acid lysine has the following values of pK :...
please answer part (ii)
(b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of...
Which three statements about amino acids are true? Use this chart of amino acid structures for reference. Lysine has one stereocenter (chiral center). Methionine is a thiol. The Leu side chain does not form hydrogen bonds with other amino acids. The form of glycine used by the human body is D-glycine. Ser and Thr are polar amino acids. Proline has an overall charge at physiological pH (7.4).
Lecture 3 Identify amino-/carboxy termini, and R-group on amino acid What is chirality? Identify a carbon that is chiral (i.e., has 4 different groups attached) Chiral compounds rotate plane polarized light Memorize amino acid 1) structure, 2) classification (hydrophobic, aliphatic, aromatic, negatively charged, positively charged, polar uncharged) Be able to draw glycine (the generic amino acid) Given an amino acid structure and pKas of ionizable groups, be able to determine the charge at pH 1, pH 14, and pH 7...
HO HO но CASCHILOH HO-CACHS CH-OH * thr Use these structures to answer the questions below: HO H₂Ñ¢ão H₂N-d.co H₂N-d.co H₂N-d.co- CH₂C-oh asp ser J.S 0.5 a. Which amino acid is most polar? acp b. Which amino acid is least polar? c. Which amino acid is the most polar looking only at thr and ser? d. Which amino acid is the least polar looking only at asp and glu? Use these structures to answer the questions below: HO HO H₂N-¢&o....
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
please answer part (ii)
(b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of...
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