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Answer:
D) over 90
Explanation:
As we know, hemoglobin is the protein found in red blood cells that is in charge of oxygen transportation, and the relation between the percentage of oxygen that binds to hemoglobin and the partial pressure of oxygen in the blood can be represented through the oxygen - hemoglobin dissociation curve, as shown in the attached image.
As we can see in the image, the curve has a sigmoid shape, and this is due to the allosteric interactions between the subunits of the hemoglobin, which change their conformation with each oxygen molecule that binds in order to increase even more the oxgen affinity. This curve is constantly shifting to the right and to the left depending on the conditions of the blood, like temperature, pH, partial pressure of carbon dioxide and the concentration of diphosphoglycerate (DPG).
When the PO2 is around 70 mmHg, as we can see in the curve, the hemoglobin is saturated around 90% or more, reaching a plateu in the curve where the oxygen is not binding as fast anymore, because there are almost no more free binding sites left in the hemoglobin molecule.
Answer:
Both parents must have carried at least one gene for PKU. I hope it helps and can you please mark my answer as brainliest thank you
Answer:
B. Ligase
Explanation:
Ligase is the class of enzyme that catalyzes the joining/linking of two large molecules. This involves the formation of a new chemical bond between the molecules.
DNA ligase is an example of a ligase. It catalyzes the linking of DNA strands through the formation of a phosphodiester bond. DNA ligase can either link two complementary fragments of DNA or repair the breakage of single stranded DNA that occurs as a result of replication of double stranded DNA.
Answer: The correct answer is A: Changing the relative evaluation of attributes associating the product with a special group, event or cause.
Explanation:
The company here associates its product (Diet coke) with an event or cause called the American Heart Association.
<u>This association will move people that want to adopt healthy habits such as Tom wanting to cut the carbohydrates out of his diet, to buy their products because the evaluation of the attributes of the product changed.</u>
In conclusion, the strategy that the company used is: A, Changing the relative evaluation of attributes associating the product with a special group, event or cause.