Antibodies, B-cells, killer T-cells, and helper T-cells are all examples of what part of the immune system?
Red blood cells
White blood cells
O Platelets
O Plasma

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Describe the function of the endomembrane system? what organelles are involved?

All ova contain sex chromosomes corresponding to: x y xx xy