This assignment is a creative writing assignment on the different organelles found in either the plant cell or the animal cell. you are going to imagine you are the nucleus of a plant or animal cell and have been asked to mentor an organelle that is new to the cell. you will take your mentee on a tour of the cell, describing the major parts of the cell and their functions. you may present your tour in a variety of ways; just be sure it demonstrates a complete understanding of the organelles, their functions, and how they work together to support the cell.

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

The influenza virus cause the flu, but not other diseases. why?

Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?