In the human retina: a) cone cells can detect color, but rod cells cannot. b) cone cells are more sensitive than rod cells to light. c) rod cells are most highly concentrated in the center of the retina. d) cone cells, but not rod cells, have a visual pigment.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

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 does the positioning of transcription factors determine?