Hormone Chapter Review Answers

1 hastening senescence

2. lateral buds

3 Ethylene

4 leaves

5 tryptophan

6 Gibberellins

7 causing auxin to migrate into the shaded portion

8 Cytokinin

9 plasticity

10 gibberellins

11 totipotent

12 roots

13 ethylene

13 auxin

14 prevention

15gibberellins -- promotes bud and seed dormancy

16 It induces leaf and flower senescence.

17cytokinins and auxins

18 auxin

19 ethylene

20 increasing the plasticity of plant cell walls.

21 tryptophan.

22 gibberellins

23 ethylene

24 auxin

25 ethylene

26 abscisic acid

27 Cell division is stimulated by this hormone.

28 This hormone causes leaves to age and fall off of the plant.

29 Tomatoes are stimulated to ripen when exposed to this hormone.

30 This hormone is produced in the apical portion of stems.

31This hormone would cause the stem to grow towards a source of light.

32 false.

33causes membrane proteins to pump protons into the cell wall that, in turn, activate enzymes

34 2, 4 ~ dichlorophenoxyacetic acid

35 hastens fruit ripening

36 cytokinins

37 cytokinins, auxins

38 ethylene

39 abscisic acid

40 flavin

41 auxin ethylene

42. The electrical transmembrane potential does not allow the negatively charged form (IAA-) to enter the cells; therefore, the protonated form is always entering at the top of the cell and leaving at the bottom.

43. The ancient Chinese are reported to have burned incense in fruit storage places to induce ripening. What might be the physiological basis for this procedure? ?????