Using a dendritic cell as an example, put the following steps of the activation of cytotoxic t cells in the correct sequence: i. t cell differentiation ii. antigen presentation iii. self-stimulation iv. clonal expansion

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?

Label all the places where dna is located in the plant cell and in the animal cell. dna

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet.the object is a moon, not a dwarf planet.the object is not a dwarf planet because it travels with other objects.the object is not a dwarf planet because it is round.