Binding of one oxygen molecule to hemoglobin facilitates binding of the next two molecules; thus oxygen binding shows positive _______.
Fill in the blank(s) with the appropriate word(s).
Answer: cooperativity
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Nitric oxide (NO) serves as a local signal for vasodilation because it ____
a. is broken down quickly b. dissipates quickly c. recycles rapidly in cells d. counteracts the action of oxygen e. blocks adrenergic receptors
The letter “D” in the above figure represents
a. trigger zone. b. output zone. c. input zone. d. conducting zone. e. none of these.
Describe how the broad leaf of a typical dicot is so well adapted for its job as the photosynthetic organ of a plant. In your answer make sure to assess the ways plants evolved to deal with potential problems the broad leaf might cause
What will be an ideal response?
Amphotericin B, nystatin, and the imidazoles are all
A. fungal enzymes. B. antifungal drugs. C. culture media supplements for fungi. D. mycotoxins. E. None of the choices are correct.