Cells prevent mutations during DNA replication by using their mechanisms which are mismatch repair, direct repair, base excision repair, and nucleotide excision repair.
Alleles. Alleles are the "same" genes, but provide a variation of the intended function.
A synecdoche is a figure of speech by which a part is used to represent the whole and in this sentence the “plastic” is a part of the credit card but is used to represent the credit card in its entirety.