The regulation of the Na*-K* pump is critical to the health of an organism. It disobeys one rule we usually think of in cell transport because the movement of these ions goes against the concentration gradient. The pump mechanism is
triggered by
within the bi-lipid layer.

You have 2 plants of the same type and same size, same amount of leaves. one of them is put inside the house and the other one is put in the balcony. you water them saturday, one plant with 200 ml and the other with 400 ml of water. which one of your plants need less water? explain.

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?

Competition occurs between species when