In a(n) _____ the carbonyl group is at the end of the carbon chain, but in a(n) _____ the carbonyl group can be at any other position.

Which of the following statements about sickle-cell anemia is FALSE?

Select which of the following is an example of positive homotropic regulation:

Enzymes that cleave carbon-carbon bonds without the use of water in the chemical reaction are members of which class of enzymes?

Experiments on denaturation and renaturation after the reduction and reoxidation of the —S—S— bonds in the enzyme ribonuclease (RNase) have shown that:

What kind of bond links amino acids within a peptide chain?

How is a peptide bond formed between two amino acids?

If glycine has a pI of 5.97, at which pH would the majority of glycine molecules in a solution have a net positive charge?

How is the isoelectric point calculated for an amino acid with non-ionizable R group?

Aspartic acid has a pI of 2.77. What will happen to this amino acid as the pH of the sample is increased from 2.77 to 7?