Polypeptides are synthesized from amino acid building blocks. The condensation reaction between the growing polypeptide chain an
d the next amino acid to be added involves the loss of ________________.
A. a water molecule.
B. an amino group.
C. a carbon atom.
D. a carboxylic acid group.
A. a water molecule.
B. an amino group.
C. a carbon atom.
D. a carboxylic acid group.
1 answer:
Answer:
A) a water molecule.
Explanation:
During the condensation of amino acids to form polypeptide, the carboxylic group of one amino acid reacts with amino group of another amino acid. This leads to formation of amid linkage.
The reaction is shown in the figure.
As shown, there is removal of water molecule during formation of polypeptide.
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The products will be
Zn is higher than hydrogen in the reactivity series. Thus, it will be able to displace hydrogen from the acid.
The equation of the reaction becomes:
Hydrogen gas is released as a result. In fact, it is one of the ways of preparing hydrogen gas in the laboratory.
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Answer: for the reaction is 5.55
Explanation:
Equilibrium constant is the ratio of the concentration of products to the concentration of reactants each term raised to its stochiometric coefficients.
The given balanced equilibrium reaction is,
At eqm. conc. (0.010) M (0.15) M (0.37) M
The expression for equilibrium constant for this reaction will be,
Now put all the given values in this expression, we get :
Thus the for the reaction is 5.55