What is the role of atp in the process of active transport A- It provides energy that cells need to move molecules against a concentration gradient
B- It lengthens the fatty acid chains in the cell membrane
C-It weakens the cell membrane allowing molecules to pass through more easily
D- It provides the nervy to transport the cell in its environment

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:

What is gene expression control that occurs after the generation of rna