#Question id: 967
#Unit 1. Molecules and their Interaction Relevant to Biology
At the subcellular level where does the urea cycle occur?
#Question id: 11438
#Unit 1. Molecules and their Interaction Relevant to Biology
Two of the common amino acids are analyzed. At pH = 7.0, amino acid X is negatively charged while amino acid Y is positively charged. Which will be a characteristic of amino acid X?
#Question id: 27042
#Unit 10. Ecological Principles
Specific number of predators will keep the prey population at zero growth, represents
#Question id: 3892
#Unit 3. Fundamental Processes
The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:
#Question id: 607
#Unit 1. Molecules and their Interaction Relevant to Biology
In E. coli ________ is an activator and ________ is a negative allosteric modulator of the enzyme phosphofructokinase-1.