A sample of an unknown peptide undergoes a single round of Edman degradation, which liberates ATZ-Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin. Complete parts (a) and (b) below. a. Line up the fragments below so that fragments with the same sequences overlap. b. Write the sequence of the peptide.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

How does the viscosity of magma change as magma cools?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block