Is insulin a protein or a steroid?
What will be an ideal response?
Question 2
Which one of the following reactions is a redox reaction?
A) NaOH + HCl NaCl + H2O
B) Pb2+ + 2Cl- PbCl2
C) AgNO3 + HCl HNO3 + AgCl
D) None of the above is a redox reaction.
Question 3
What is the wavelength (angstroms) of a photon that has an energy of 4.38 10-18 J?
A) 45.4 angstroms
B) 2.30 107 angstroms
C) 6.89 1015 angstroms
D) 1.45 10-16 angstroms
E) 1.31 10-9 angstroms