Radioactive iodine (131I) is commonly used in medical situations for diagnosing and treating thyroid conditions. The most common isotope of iodine that is not radioactive is 127I. Chemically, what is the difference between 127I and 131I? What do they
have in common?
What will be an ideal response?
The difference between the two isotopes of iodine is their weights (or mass). This is due to a difference in the number of neutrons present in each isotope. These isotopes have in common their atomic number (number of protons), which is what makes them both iodine.
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A decrease in the affinity of hemoglobin for oxygen caused by the binding of carbon dioxide to hemoglobin is described by the
A) Haldane effect. B) Bohr effect. C) carbamino effect. D) Henderson-Hasselbalch effect. E) respiratory quotient.
The portal of entry for the largest number of pathogens is the _____
Fill in the blank(s) with the appropriate word(s).
In the first step of signal transduction, what is the trigger for the cellular response?
a. target protein b. kinase c. ligand d. second messenger e. effector
____________ asteroids are located in the orbit of Jupiter
Fill in the blank(s) with correct word