growth hormone and insulin are protein hormones that regulate carbohydrate metabolism by hepatocytes through the activation of intracellular signaling pathways. researchers investigative whether the two hormones trigger the same or different intracellular signaling pathways in hepatocytes. the researchers added either growth hormone or insulin to parallel cultures of hepatocytes. at several times points after the hormone addition they purified total intracellular protein from the cells and quantified the level of the phosphorylated forms of two proteins involved in two different signaling pathways (figure 1, A and b) .identify a dependent variable in the experimental design identify negative control for the effects of hormone addition identify a likely reason why the researchers continue their experiments for 240 minutes

hammurabi rulers

good lesson

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

airlines i think? or a cruise boat? does this work out for u? ?

answer and explanation;

volcanic rocks are igneous rocks which form from lava, molten rock which has been thrust out of a volcano onto the surface of a rocky body such as an asteroid, planet, or dwarf planet.  

plutonic rocks are igneous rocks which form from subterranean chambers of molten rock or magma. plutonic rocks make up the base of continental crust as well as oceanic crust. their slow rate of formation causes them to be coarse grained since there is plenty of time for large crystals to form before the magma solidifies into rock.

the textural difference is that plutonic rocks are more coarse grained than volcanic rocks. plutonic rocks are coarse grained while volcanic are fine grained ; glassey or fragmental. since fine and coarse are adjectives the decision as to whether a rock is fine or coarse grained is generally made on the bases of whether or not the individual crystals can be seen in most if the rock.