Asexual reproduction has low genetic variability. where does the variation in offspring come from? a) random fertilization of gametes b) crossing over events during mitosis c) genetic mutations and replication errors d)arrangements of chromosomes in metaphase i

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.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

How do living things obtain phosphorus