Each of the following is fermentation products except
A) ethanol.
B) lactate.
C) propionate.
D) acetyl CoA.
E) butyrate.
Answer: D
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Looking at the data in the figure above from the hare/lynx experiment, what conclusion can you draw?
I) Food is a factor in controlling hare population size. II) Excluding lynx is a factor in controlling hare population size. III) The effect of excluding predators and adding food in the same experiment is greater than the sum of excluding lynx alone plus adding food alone. A) only I B) only II C) only III D) only II and III E) I, II, and III
The use of sulfate as a terminal electron acceptor by Desulfovibrio is an example of assimilatory sulfate reduction.
Answer the following statement true (T) or false (F)
Which of these pairs does not correctly match a carbohydrate with its function?
A. Chitin provides an exoskeleton for insects. B. Glycogen is the storage form of energy in animals. C. Starch provides long-term energy. D. Cellulose provides structural support for human hair. E. Starch is the storage form of energy in plants.
The ____ produce(s) ____, which influences biological rhythms and the onset of sleep
a. pituitary gland; thyroid stimulating hormone b. pituitary gland; adrenocorticotropic hormone c. pineal gland; melatonin d. adrenal cortex; cortisol e. parathyroid glands; parathyroid hormone