Clostridium tetani is a bacterial species that causes disease by secreting proteins that disrupt normal neurological function. Without this ability, C. tetani would not be able to cause disease. Preformed antibodies can be used to treat the disease caused by this bacterium. What would you suspect the preformed antibodies are specific to?

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

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.

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?