You are studying a biochemical pathway. Preliminary results suggest that this pathway is subject to end-product repression. This pathway is therefore most likely to be a(n) ________ pathway.
A) anabolic
B) catabolic
C) constitutive
D) induced
E) unregulated
A) anabolic
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Similarities at the neural circuit level between humans and ____ are easy to detect and therefore are used in
evolutionary studies examining the requirements for neural circuits.
a. rodents b. invertebrates c. fruit flies d. sea hares e. bees
Gingivitis
A. is primarily caused by normal anaerobic biota. B. may involve archaeal species. C. involves the formation of calculus and plaque. D. involves a crevice in the gum along the tooth. E. All of the choices are correct.
Which of the following is an appropriate scientific hypothesis?
A) Bad people catch more colds than good people. B) Cold viruses should be allowed to reproduce just like anything else. C) It is unethical to go to school when you have a cold. D) People catch colds because of exposure to cold temperature.
To which of the following substances does hemoglobin most readily bind?
A) bilirubin B) carbon monoxide C) oxygen D) erythropoietin