Please help Asap. NO links please Which step of protein synthesis will be MOST affected by a mutation in the DNA?

the copying of the sequence by mRNA
the tRNA's ability to carry amino acids
the mRNA leaving the nucleus
the production of a protein

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a