What is unusual about the peptide bond compared to the other covalent bonds that form the polypeptide backbone? A) The side chains only face internally, excluding them from interacting with water.

B) The single bonds on either side of the peptide bond cannot rotate, making the peptide backbone very rigid.

C) There is an amino group on one end of the backbone and an aldehyde group on the other.

D) Peptide bonds behave like double bonds in terms of stability and lack of movement of atoms around the bond.

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d

Glands that the body deal with stress and respond to emergencies.