Energy required by the cell is generated in the form of ATP. ATP is hydrolyzed to power many of the cellular processes, increasing the pool of ADP
As the relative amount of ADP molecules increases, they can bind to glycolytic enzymes, which will lead to the production of more ATP. The best way to describe this mechanism of regulation is ___________.
(a) feedback inhibition.
(b) oxidative phosphorylation.
(c) allosteric activation.
(d) substrate-level phosphorylation.
(c)
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What is it called when a demand for a new lifestyle leads to many speciation events from one founder species?
a. sympatric speciation b. allopatric speciation c. adaptive radiation d. convergent radiation
If you were in a tiny submarine taking tour of an enormous small entestine, where would the second part of the tour take you?
A. ileum B. duodenum C. jejunum D. all of the above
You have placed cultures in an anaerobe jar, activated the gas pack, and sealed the jar. Later in the day you check the jar and notice that the methylene blue strip is colorless. What does this indicate?
There is a leak in the seal and oxygen is entering the jar. An anaerobic environment has been successfully established within the jar. The chemical reactions in the GasPak have not worked properly and no CO2 has been produced within the jar. The palladium catalyst must be reactivated.
Sucrose is formed
A) from two glucose molecules. B) from two monosaccharides through dehydration reactions. C) when ionic bonds link two monosaccharides. D) when glucose and lactose are combined.