What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 20, Problem 8MC
Summary Introduction
Introduction:
One of the effects of auxins is to initiate rooting in plants.
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Students have asked these similar questions
You are trying to get some seeds started by soaking them in water. A few of the seeds are not taking in water or germinating- you
suspect that their seed coat has excessive amounts of the hormone,
that is keeping them from germinating.
Select one:
O A.
В.
C.
D.
O E.
O F.
G.
O H.
OI.
J.
O K.
OL.
O M.
N.
O.
O P.
R.
Gaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the major plant hormones is adiffusible gas?a. auxin b. gibberellin c. cytokinin
d. ethylene
e. abscisic acid
Which hormone is associated with amylase production?
Select one:
a.
gibberellin
b.
ethylene
c.
auxin
d.
cytokinin
e.
abscisic acid
Chapter 20 Solutions
What Is Life? A Guide to Biology with Physiology
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- Identify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin counteracts c.Dormancy — Both ethylene and GA break it d.Callus differentiation — Auxin and cytokininsarrow_forwardThis plant hormone is a hydrocarbon gaseous hormone, which is best known for its role in fruit ripening. A. Auxin B. Gibberellins O C. Strigolactone D. Abscisic acid O E. Ethylenearrow_forwardSome plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection? a. Removing all of the stomata from the plant b. Changing the spacing of stomatal pores in these plants c. Reinforcing the cell wall in the guard cells of stomatal pores d. Increasing the number of trichomes on the surfacesarrow_forward
- Which of the following is an effective plant defense against insect herbivory? Select one: a. Hypersensitive response b. Gene-for-gene resistance c. Salicylic acid d. Protease inhibitors e. Resistance genesarrow_forwardThe apical bud of a plant produces which inhibits lateral bud growth through the process known as apical dominances. Select one: O a. Auxin O b. Cytokinin O c. Ethylene O d. Gibberellin O e. Abscisic Acidarrow_forwardWhich of the following plant growth regulators is used for controlling fruit ripening? Lütfen birini seçin: O a. Gibberellins O b. Cytokinins O c. Auxins O d. Ethylene O e. Abscisic acidarrow_forward
- Which hormone can regulate guard cells? Select one: a. ethylene b. abscisic acid c. gibberellin d. cytokinin e. auxinarrow_forwardWhich of the following statements about gravity perception is FALSE? A. Statoliths are specialized amyloplasts B. Statoliths are found in statocytes C. Gravity is sensed from the root cap acropetally through the zone of division D. Columella cells sense gravity through statolith pressure on the endoplasmic reticulum E. Auxin is the main hormone involved in gravity responsearrow_forwardChoose the best answer for following question It causes leaf abscission. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininarrow_forward
- This class of plant hormones are exuded by the plant roots. On the one hand, these plant hormones stimulate fungal metabolism and branching. On the other hand, they also trigger seed germination of parasitic plants. O A. Auxin B. Gibberellins O C. Strigolactone D. Abscisic acid O E. Ethylenearrow_forwardChoose the best answer for following question Stomata close when a plant is water-stressed. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininarrow_forwardWhich of the following is NOT an accurate statement about the acid growth hypothesis? Select one: O A. Expansins are activated by high acidity in the cell wall O B. It explains cell elongation in response to auxin O C. Wedge- shaped expansin enzymes separate cross-linking polysaccharides from microfibrils O D. It proposes that auxin increases the activity of proton pumps in target cells O E. Expansins cleave cross-linking polysaccharides Next Farrow_forward
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