How are mutations prevented during dna replication? a. dna polymerase checks dna for errors. b. trna molecules check the amino acids for errors. c. sister chromatids check the order of the bases. d. three extra copies of all chromosomes are made.

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

This is so important ugh its 25 points