Which is a way that the elements are grouped on the periodic table? (2 points) a
Elements in the same row have the same number of protons.
Oь
Elements with similar bonding properties are in the same column.
Elements in the same column have the same number of neutrons.
d
Elements with similar mass are placed in the same column.

What happened to rosalind franklin in 1956?

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.

Dna is colied into chromosomes in a cell