Which of the following represents the correct ordering of events that occur during the catabolism of glucose in the absence of O2

-glycolysis; Krebs cycle; oxidative phosphorylation
-glycolysis; oxidative phosphorylation; Krebs cycle
-oxidative phosphorylation; Krebs cycle; glycolysis
-glycolysis; fermentation
-Krebs cycle; fermentation


-glycolysis; fermentation

Biology & Microbiology

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Suppose George Washington completely removed the bark from around the base of a cherry tree but was stopped by his father before cutting the tree down

The leaves retained their normal appearance for several weeks, but the tree eventually died. The tissue(s) that George left functional was/were the _____. A) phloem B) xylem C) cork cambium D) cortex E) companion and sieve-tube members

Biology & Microbiology

Transgenic animals are bred ________

a. for convenience in production b. all of the choices c. to increase food yield d. for medical research

Biology & Microbiology

The relationship between the sea anemone and a pink anemonefish shown above is ____

a. a parasitic association b. predation c. resource partitioning d. a mutualistic association e. an epiphytic relationship

Biology & Microbiology

You read about how learning preparedness influences the associations that an animal is capable of learning. You want to explore the learning preparedness of hamsters. How might you test the learning preparedness of this species? 

A. Train hamsters to choose between tunnels to find a reward, and mark the tunnels with different visual, tactile, chemosensory or auditory stimuli to see which associations are learnable. B. Train hamsters to navigate a maze to reach a reward. Determine which hamsters are fastest -- thus, are most prepared to learn. C. Train hamsters to navigate a maze to reach a reward. Determine the time of day at which the hamsters are fastest -- thus, most prepared to learn. D. Train hamsters to choose between tunnels to find a reward. Switch the reward tunnel frequently, and determine which hamsters learn the new association the fastest.

Biology & Microbiology