What interactions are responsible for maintaining quaternary protein structure? select all that apply. a. peptide bonds b. van der waals forces c. hydrogen bonding d. ionic bridges e. disulfide bonds

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

What causes the appearance of lines in a emission spectrum