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1) Describe 3 roles of the bicarbonate ion in the body ( hint:one is not a respiratory function)2) A person was brought to the emergency room unconscious.Breathing was shallow and irregular. A blood sample showed theblood pH to be 7.18(normal 7.4). A mechanical respirator, whichincreases breathing rate, was inserted and sodium bicarbonate wasadministered intravenously.
a) explain why lowered breath rate lowers the blood pHb) how does the respirator help return theblood pH to normal?c) what was the reason for administering thesodium bicarbonate?
Suppose that a duplex DNA molecule undergoes two double-stranded breaks that tightly flank the promoter of a gene and that the promoter region is inverted prior to enzymatic repair of the breaks.
Describe 3 ways that the knowledge of the metabolic processes photosynthesis and cellular respiration can improve your level of physical fitness. You may wish to investigate choices of appropriate diet and exercise.
Describe how you would use site-directed mutagenesis to change a BamHI restriction site into an EcoRI site?
q. suppose the process of translation. a ribosome is bound to an mrna and has moved several codons downstream from the
At room temperature, equilibrium potential of K+ in a cell with internal concentration of K+ 10 fold higher than that of external concentration will be approximately.
The first experiment was a process to determine whether the seeds grew better in acidic or regular soil. Two planting containers (A and B) each with four sections were acquired.
Select the statement that best describes a buffer.
He says that the mere presence of DNA is not sufficient to prove the point: his cells may have adopted DNA as a useful molecule quite independently of all other known life forms. What would you do to convince him that he was wrong.
What type(s) of reproductivebarriers are most likely at play in reproductive isolation of the two species- Prezygotic or postzygotic
A 21 year old college student presented to the ER complaining of severe abdominal pain and four bouts of vomiting. He described the pain as sharp and radiating to the back.
As a biologist it is your job to look for plants that have evolved structures with a selective advantage in dry hot conditions. Which of the adaptions would be least likely to meet the objective.
AIDS is often treated with a "cocktail" of several antiviral agents at once. Why is the cocktail more effective than a single agent? What is a physician trying to prevent by prescribing several drugs at once?
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