Tina, an environmental scientist, is protesting the use of polychlorinated biphenyl (pcb). which act will tina support her protest?
a.

clean air act

b.

clean water act

c.

toxic substances control act

d.

endangered species act

e.

water quality act

How do adaptation affect a species?

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.

Abnormal softening of a gland is known as