How are the steps you went through when discovering a new species similar to the steps of the scientific method? Were there any steps skipped

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

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

What will happen if two of the base pairs of the stand of the dna are switched