Red bone marrow, thymus; sites where stem cells become immunocompetent
a. chyle
b. lacteal
c. lymph
d. primary lymphatic organs
e. secondary lymphatic organs

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium