The kidneys can reabsorb nutrients and make _________ , a molecule that promotes calcium absorption in the digestive tract.
Fill in the blank(s) with the appropriate word(s).
Answer: vitamin D
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What was the first forensic application of DNA fingerprinting?
a. proving the innocence of a prisoner convicted of false charges b. confirming the identity of remains thought to be King Richard III c. confirming the biological relationship between a mother and her son d. identifying the source of the Spanish influenza pandemic in 1918
The DNA molecule is most similar functionally to a
a. pair of scissors. b. flashlight battery. c. computer memory chip. d. ballpoint pen. e. craft kit of ceramic tiles.
How many possible orientations are there if a cell has four chromosome pairs?
A. 4 B. 8 C. 16 D. 32 E. It is impossible to determine.
Consider a redox reaction between molecules A and B. Molecule A has a redox potential of –100 mV and molecule B has a redox potential of +100 mV
For the transfer of electrons from A to B, is the ?G° positive or negative or zero? Under what conditions will the reverse reaction, transfer of electrons from B to A, occur?