The amino acid prolinehas a pk1 of 1.99, pk2 of 10.60. the amino acid serine has pk1 of 2.21 and a of pk2 of 9.15. if these two amino acids bind together by peptide bond creating the peptide sequence pro-ser . what will be the overall charge of this peptide at the physiological ph of 7?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What are the first three quantum numbers for the electrons located in subshell 2s?