Which hypothesis was Louis Pasteur trying to confirm through his work? A. All organisms are made up of cells.
B. New cells come from preexisting cells.
C. Animal cells are different from plant cells.
D. Most plants are not unicellular organisms.

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 is the most abundant vertebrate on earth?

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?