Scientists recommend a diet rich in antioxidants to stay healthy. What occurs at the atomic level to explain this recommendation?
A) Antioxidants steal electrons, which gives cells extra energy.
B) Antioxidants are inert and do not interact with free radicals.
C) Antioxidants cause an increase in pH, which is necessary for neutrality in cells.
D) Antioxidants prevent free radicals from attacking other atoms or molecules.
D
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Create an experiment where you would use both a Southern blot and a Northern blot to determine if a newly isolated bacterium contains and actively uses the same catabolic pathway as previously demonstrated
What is the value in doing the Southern blot first? With results from these experiments, how would you conclude if the same pathway is active or not? What will be an ideal response?
True or False: When studying animal behavior, the mechanistic approaches that are used to evaluate causation and development are more useful than using an analysis of adaptive functions and evolutionary history
A. true B. false
Bicarbonate forms when ________ splits
a. H2CO2 b. CO2 c. HCO3- d. H2O e. H2CO3
Which one of the following is TRUE regarding erythropoietin?
A) It is secreted by the liver in response to rising blood pH. B) It causes the bladder to store increased amounts of urine. C) It is part of a positive feedback loop used to control the amount of hydrogen ion secreted by the kidneys. D) It stimulates the production of red blood cells in the bone marrow. E) It is secreted in response to rising blood oxygen levels.