Rebecca has samples of different types of metal. She wants to find out the density of each metal. First, she measures the samples' volumes. Now she needs to measure the samples' masses. Which of the following tools should she use to make her measurements?

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.

What controls activities within a eukaryotic cell?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a