Membrane proteins are among the most important proteins biologically because they allow cells to communicate with their environments. in humans, they determine whether the immune system recognizes the cell as foreign or not and they are the targets of most pharmaceuticals. in all organisms, membrane proteins are responsible for other functions as well. select which function determines when and if cell division takes place.
a) regulating salt balance.
b) controlling water intake.
c) activation of growth hormones.
d) the control cell adhesion to form tissues.

Which statement from "letter to his father" is similar to gregor's inability tocommunicate with his father as a bug in the metamorphosis?

The war of the worlds by h. g. wells but, looking, i presently saw something stirring within the then something resembling a little gray snake, about the thickness of a walking stick, coiled up out of the writhing middle and wriggled in the air toward me – and then another the war of the worlds (radio broadcast) by orson welles good heavens, something's wriggling out of the shadow like a gray snake. now it's another one, and another. they look like tentacles to me. which sentence best describes the tone of the passage from the book compared to the passage from the radio broadcast? a. the book has a more matter-of-fact tone, b. the book has an angrier tone. c. the book has a scarier tone. d. the book has a more surprised tone.

2. page 1: schlosser describes "just another gorgeous rocky mountain vista. and yet cheyenne mountain is hardly pristine." why do you think schlosser describes the beautiful cheyenne mountain scene in detail before describing the military installation that lies inside?