Explain the structural relationship between amino acids and proteins

What element breaks down into yttrium-90?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.