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During the negotiation, what condition does Marcus impose on his investment?

To a culture of growing Nostoc, as scientist adds the following radioactive elements:  nitrogen, carbon, phosphorus, and sulfur. The scientist then harvests and extracts the various macromolecules from the cells. In which macromolecules will the scientist find each of the radioactive elements? Note:  the question does not ask about structures (eg., cell walls).  It asks about macromolecules.

Which of the following atom pairs could form hydrogen bonds?  Note: for your answer to be correct, both members of the pair must be able to form hydrogen bonds.

The                   is a non-membranous organelle which forms a scaffold-like network.  Other cellular structures can be attached to this network which is composed of various types of protein filament.

If a conjugation pilus is hydrolyzed (digested), which type of monomer is released?

What are three (3) ways that the practice of fermentation benefitted our ancestors?  Hint:  think about the types of fermentation products that we routinely consume. 

Which of the following is TRUE of arthropod vectors? 

Osmosis most directly involves

Which type of membrane transport uses transport proteins and moves substances from an area of high concentration to an area of low concentration?

Why are prions and viruses classified as acellular?