Since humans possess cranial, abdominal, and thoracic cavities, we are considered

a.)coelomates
b.)echinoderms
c.)exoskeletons
d.)gastropods

What is the relation ship between structure and function in an organism

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different