Consider a single bacterium starting out under ideal conditions. its generation time is 20 minutes. how many bacteria will there be two hours later?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.