Which of the following is an example of acclimatization?
A. sweating while working out
B. a dog moving into the shade
C. a dog panting on a hot day
D. young penguins huddling together to stay warm
E. a duck growing thick down underfeathers in fall
E. a duck growing thick down underfeathers in fall
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A series of enzymatic steps that fixes carbon dioxide into carbohydrate is called the ________.
A. Pentose phosphate pathway B. Entner-Doudoroff pathway C. Calvin-Benson cycle D. Embden-Meyerhoff pathway
Phanerochaete chrysosporium
A. is a wood-decay fungus. B. is a lichen that serves as food for reindeer. C. is the cause of lung disease. D. is an hallucinogenic mushroom. E. is a rust that causes oak trees to shed their leaves prematurely.
Which of the following is a type of cytokine?
a. complement protein b. mast cell c. immunoglobulin d. lysozyme e. tumor necrosis factor
When you hear, the ________ vibrates. I) eardrum II) hammer III) stirrup
A) I B) II C) III D) I, II, and III