I need some help with this biology stuff :) it's due in like 5 hours so please can someone help me out?

Although there are a limited number of amino acids many different types of proteins exist because..

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?