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.
A)
phospholipids
B)
nerve endings
hydrophobic ends
D)
membrane proteins
P
G

chromosomes carry the genetic information for organisms. also, chromatin is the thread like dna which is located in the nucleus of an organism.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.