Which statement about vacuoles is true?

a. only plant cells contain vacuoles.
b. only animal cells contain vacuoles.
c. vacuoles are larger in plant cells than in animal cells.
d. vacuoles are larger in animal cells than in plant cells.

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

2polnis which of the following is an advantage of an in vitro experiment?me

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation