The lymphoid organ which t-cells migrate to from the bone marrow (in order to complete their maturation/development) is the

How do echinoderms get their energy

Imagine that a researcher has found an unusual cell that seems to be unable to replicate its dna. the problem is most likely linked to which phase of the cell cycle?

Desquamation occurs in which layer

Mice with the Rosa63 protein have a defective organelle. What organelle is abnormal?

Are cyanobacteria pathogenic?

What are at least three possible challenges Darwin might have faced

Which two spheres contain most of earths water?

What is the name of a complex group of organisms that are connected and interact with one another?

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

What is placebo and why is it used in some experiments