Which of the following explains why the heart is organized so that it pumps blood to two different locations? a. to supply blood to two different sides of the body b. to allow a way for the blood to pick up new blood cells c. to move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body d. to provide a way for blood to pick up nutrients at one location and oxygen at another

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

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.

Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. be sure to also indicate where each process takes place. plz don't give one sentence answers : d