#Question id: 423
#1. Molecules and their Interaction Relevant to Biology
The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.
#Question id: 19866
#13. Methods in Biology
#Question id: 4930
#11. Evolution and Behavior
Which of the following is the correct sequence of events in the origin of life?
I. Formation of protocells
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
#Question id: 3444
#11. Evolution and Behavior
Which of the following is least related to the others?
#Question id: 3898
#3. Fundamental Processes
Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?