A class I MHC protein presents an antigen. What type of cell is likely presenting and to what type of cell would it be presented? A class I MHC protein presents an antigen. What type of cell is likely presenting and to what type of cell would it be presented? An antigen-presenting cell (APC) would be presented to a CD4 cell. An antigen-presenting cell (APC) would present antigens to a CD8 cell. Any nucleated cell would present antigens to a CD4 cell. Any nucleated cell would present antigens to a CD8 cell. Request Answer Provide Feedback

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation

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.