What does dna polymerase check before mutations

Are salt and soap nutrients or toxins for yeast? explain.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers