How could you use 14C to deduce the overall reaction of photosynthesis?
What will be an ideal response?
The radioactive isotope of carbon could be traced from labeled carbon dioxide. The carbon on the
reactant, carbon dioxide, would ultimately be found in one of the products, a sugar. The reaction could
be stopped at various points and reveal intermediate reactions.
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The X chromosome is
A. larger than the Y chromosome. B. smaller than the Y chromosome. C. the same size as the Y chromosome. D. genetically identical to the Y chromosome. E. larger and genetically identical to the Y chromosome.
Which of the following is true for both instinct and learning?
A. They generate the correct response in all cases. B. They can be altered by an animal during its lifetime. C. They allow an organism to respond to changes in its environment in an appropriate manner. D. Both are inherited behaviors.
For independent assortment of alleles for two different genes to occur, where must the genes be located?
What will be an ideal response?
Pityriasis, characterized by patches of hyperpigmented and depigmented skin on the trunk and arms, is due to cutaneous infection with
A. Epidermophyton floccosum. B. Cryptococcus neoformans. C. Malassezia furfur. D. Microsporum canis. E. Trichophyton rubrum.