________ is the name given to the technique that utilizes radioactive molecules that bind to specific membrane proteins.
Fill in the blank(s) with the appropriate word(s).
Affinity labeling
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Reverse transcriptase copies
A. DNA to DNA. B. DNA to RNA. C. RNA to DNA D. RNA to RNA.
What type of lipid has four carbon rings and no tails?
a. fats b. steroids c. waxes d. phospholipids e. triglycerides
Wöhler revolutionized biology through his demonstration that biological molecules are governed by the ordinary laws of physics and chemistry. He demonstrated this principle by
A) synthesizing urea in the laboratory from ammonium cyanate. B) developing techniques for isolating, purifying, and analyzing subcomponents of cells. C) defining the laws of heredity. D) discovering active agents in cell extracts that were specific biological catalysts that have since come to be called enzymes. E) inventing mass spectrometry which is commonly used to determine the size and composition of individual proteins.
Gene therapy is being explored as a means of permanently correcting a defective gene to cure a disease rather than to merely treat symptoms with drugs. Ideally, it would be best to correct these defective genes before a baby is even born
But if it's possible to change diseased genes, what about changing genes that regulate other characteristics, such as height or eye color? Would it be desirable to change the genes of babies for more cosmetic purposes?