Pepsin is an enzyme that plays a role in the breakdown of proteins in the stomach. Given this information and the graph below, what could you say would likely be the pH of your stomach?
1.about 6
2.about 4
3.about 7
4.about 1.5
4
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You are examining an enzyme associated with glycolysis. As such, you would expect
A) the protein to be a hormone. B) the protein to be induced by glucose. C) the protein to be constitutively expressed. D) the protein to be expressed only during development. E) the protein to be expressed only during mitosis.
Approximately 65.5 million years ago the Earth experienced a permanent loss of major groups of organisms during an event called ________
a. speciation b. continental drift c. genetic equilibrium d. mass extinction e. directional selection
Which of these is NOT required for a good experimental design?
A. A control group B. Results that confirm your hypothesis C. Multiple replicates of the same experiment D. A hypothesis that can be tested E. All of the above are required for good experimental design
The sum of all the different kinds of limiting factors is
A. biological amplification. B. environmental resistance. C. biotic potential. D. symbiosis.