zete. home 4. Several important biological macromolecules are formed by a type of reaction called a condensation reaction (loss of H₂O) between functional groups. Identify the type of functional groups in the following examples: R' £ཥ—ཥ—ow , wW པཿཌི—ཊooསུ ༠༥ H3N-CH- H₂O R¹ H₂O R² H3N-CH-C-N-CH-COO H₂C HC H₂C-O- -CH2-(CH2-CH3 CH2 (CH2-CH3 Three fa acid chai -CH2-(CH2-CH3 pg up pg dn Glycerol backbone Triglyceride 5. Hydrolysis reactions reverse condensation reactions where water is added forming the products. The structure of the neurotransmitter acetylcholine is shown below. The enzyme acetylcholinesterase uses water to break the ester bond between the acetyl group (dashed box) and choline. What would be the structures of the resulting products? e 13 end folded proteins are highly ordered Gente a decrease in entropy in the folded state? 2 AG d reaction coupling AChE +H₂O 6. Lactic acid/lactate (produced in anaerobic respiration), the carboxylic acid group has a pKa of 3.8. Which forms(s) (protonated or deprotonated) would be the predominant species at the following pH values, pH 2, pH 3.8, pH 7.4. Hint: consider how pH relates to the concentration of H+ and how this will affect the equilibrium. OH OH OH a. For the reaction: Dihydroxyacetone phosphate Glyceraldehyde-3-phosphate. The Keq is 0.0475 and AG is +753 kJ/mol. What does this tell us about the reaction as written (from left to right)? Assuming that in cells, the concentration of dihydroxyacetone phosphate is 0.2 mM and Glyceraldehyde-3-phosphate is 3M, the AG there calculates to be -2.89 kl/mol. Wh tell us about the reaction under cellular conditions? 3. Define the following: a. Keq b. AH C. AS d. AG e. AG of the reaction
zete. home 4. Several important biological macromolecules are formed by a type of reaction called a condensation reaction (loss of H₂O) between functional groups. Identify the type of functional groups in the following examples: R' £ཥ—ཥ—ow , wW པཿཌི—ཊooསུ ༠༥ H3N-CH- H₂O R¹ H₂O R² H3N-CH-C-N-CH-COO H₂C HC H₂C-O- -CH2-(CH2-CH3 CH2 (CH2-CH3 Three fa acid chai -CH2-(CH2-CH3 pg up pg dn Glycerol backbone Triglyceride 5. Hydrolysis reactions reverse condensation reactions where water is added forming the products. The structure of the neurotransmitter acetylcholine is shown below. The enzyme acetylcholinesterase uses water to break the ester bond between the acetyl group (dashed box) and choline. What would be the structures of the resulting products? e 13 end folded proteins are highly ordered Gente a decrease in entropy in the folded state? 2 AG d reaction coupling AChE +H₂O 6. Lactic acid/lactate (produced in anaerobic respiration), the carboxylic acid group has a pKa of 3.8. Which forms(s) (protonated or deprotonated) would be the predominant species at the following pH values, pH 2, pH 3.8, pH 7.4. Hint: consider how pH relates to the concentration of H+ and how this will affect the equilibrium. OH OH OH a. For the reaction: Dihydroxyacetone phosphate Glyceraldehyde-3-phosphate. The Keq is 0.0475 and AG is +753 kJ/mol. What does this tell us about the reaction as written (from left to right)? Assuming that in cells, the concentration of dihydroxyacetone phosphate is 0.2 mM and Glyceraldehyde-3-phosphate is 3M, the AG there calculates to be -2.89 kl/mol. Wh tell us about the reaction under cellular conditions? 3. Define the following: a. Keq b. AH C. AS d. AG e. AG of the reaction
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter3: The Chemistry Of Life: Organic Compounds
Section3.1: Carbon Atoms And Organic Molecules
Problem 3C
Related questions
Question
Transcribed Image Text:zete.
home
4.
Several important biological macromolecules are formed by a type of reaction called a condensation
reaction (loss of H₂O) between functional groups. Identify the type of functional groups in the following
examples:
R'
£ཥ—ཥ—ow , wW པཿཌི—ཊooསུ
༠༥
H3N-CH-
H₂O
R¹
H₂O
R²
H3N-CH-C-N-CH-COO
H₂C
HC
H₂C-O-
-CH2-(CH2-CH3
CH2 (CH2-CH3
Three fa
acid chai
-CH2-(CH2-CH3
pg up
pg dn
Glycerol
backbone
Triglyceride
5. Hydrolysis reactions reverse condensation reactions where water is added forming the products. The
structure of the neurotransmitter acetylcholine is shown below. The enzyme acetylcholinesterase uses water
to break the ester bond between the acetyl group (dashed box) and choline. What would be the structures
of the resulting products?
e
13
end
folded proteins are highly ordered
Gente a decrease in entropy in the folded state?
2 AG
d reaction coupling
AChE
+H₂O
6. Lactic acid/lactate (produced in anaerobic respiration), the carboxylic acid group has a pKa of 3.8.
Which forms(s) (protonated or deprotonated) would be the predominant species at the following pH values,
pH 2, pH 3.8, pH 7.4. Hint: consider how pH relates to the concentration of H+ and how this will affect the
equilibrium.
OH
OH
OH
a. For the reaction: Dihydroxyacetone phosphate Glyceraldehyde-3-phosphate.
The Keq is 0.0475 and AG is +753 kJ/mol. What does this tell us about the reaction as written (from
left to right)?
Assuming that in cells, the concentration of dihydroxyacetone phosphate is 0.2 mM and
Glyceraldehyde-3-phosphate is 3M, the AG there calculates to be -2.89 kl/mol. Wh
tell us about the reaction under cellular conditions?
3. Define the following:
a. Keq
b. AH
C. AS
d. AG
e. AG of the reaction
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