The human nervous system responds to daily alterations in light and darkness by

BIOL 101 Quiz 10

1. The human nervous system responds to daily alterations in light and darkness by
2. A white‐crowned sparrow taken from anywhere in the world will sing
3. In a normal person, the effect of elevated leptin levels in the bloodstream is
4. Learning behavior differs from instinctive behavior in that learned behavior
5. The human nervous system responds to daily alterations in light and darkness by
6. When an environmental change shifts an organism’s internal chemistry toward a new state, the organism’s response is to try to return its chemistry toward the original state. This tendency on the organism’s part is called
7. In the human body, decreasing melatonin levels
8. A living thing need to be responsive because
9. In the human body, melatonin supplementation is thought to help overcome the effects of
10. The value of using a hormone to control an organism’s response is that
11. If a bog plant designed to catch insects proves unable to do so, the result will be
12. The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of
13. How does a Venus fly trap close? Once expansin has weakened the cellulose in the walls of the leaf trap cells,
14. If a behavioral response to a given kind of stimulus changes with time the response is probably an example of
15. A plant growing toward a source of light is exhibiting ____________ response.
16. In the Venus Fly trap, how does the enzyme expansin help to close the trap?
17. An optimal site from which the hormone leptin should originate:
18. The human nervous system responds to daily alterations in light and darkness by
19. The sequence of events in how a Venus fly trap closes is:
20. After a fly trips the sensory hair on the modified leaf of a Venus fly trap, what is the very next step in the closing process?
21. Which of the following is a molecular response by a cell to the hormone indole‐3‐ acetic acid?
22. In the lactose operon of E.coli, how does the repressor protein change its shape?
23. A plant cell responds to directional light by
24. The lactose operon contained in the DNA of E. coli,
25. In response to the hormone indole‐3‐acetic acid, a cell