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The process of regulating an enzyme by the binding of a molecule somewhere outside of the active site is known as ________________________. 

How could we increase membrane fluidity?

Anabolic pathways are spontaneous and exergonic pathways.

E. coli is a “facultative anaerobe”, meaning without oxygen it cannot do cellular respiration.

_________ of neurons allow them to transmit signals away from the cell body. 

How are some bacteria able to be metabolically active in hot springs that most organisms cannot withstand? 

Proteins found within the membrane are amphipathic. The part facing the fatty acid chains of the phospholipids would be ______________ and the part facing the inner and outer cell would be ______________. 

Organisms are described as “open systems” in thermodynamics. What does this mean?

________ are leaflets of tissue that control the flow of blood from the atria to the ventricles. 

Which of the following is a type of vaccine?