In the ocean surrounding Antarctica, there are fish that survive the cold water by using a molecule made
of glycoproteins that circulates the blood and keeps it
from freezing. Certain kinds of worms that live in the
Arctic Ocean also make antifreeze proteins that help
them live in icy water

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth