which term means enlarged and swollen veins at the lower end of the esophagus? a. varicose veins b. hiatal hernia c. esophageal varices d. inguinal hernia

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

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.

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.