CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
3rd Edition
ISBN: 9780135686065
Author: Urry
Publisher: PEARSON
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Chapter 31, Problem 11TYU
Summary Introduction
To describe:
How the event of a mule grazing on the shoot tips of a shrub alter the biochemistry, physiology, health and structure of the plant. Also, identify the hormones involved in making these changes.
Concept introduction:
Herbivory is referred to the animals that eat plants. This is a type of stress that is faced by the plants. This causes the plants to alter their certain mechanisms. There are hormones that are produced by the plants for their growth and development.
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discuss five (5) plant hormones
Hormones and signal pathways
Complete the following paragraph to describe signal transduction as it occurs within plants. Choices may be used more than once or
not at all.
Chemical signals called
play an important role in a plant's
ability to respond to a stimulus.
These signals bind to receptors, the first step in a cellular response called a
may be located in the plasma membrane, the cytoplasm, the
nucleus, or the endoplasmic reticulum.
The series of relay proteins or enzymes activated by the hormone binding the
receptor make up the
Some responses are immediate,
while others require a
like Ca*, to initiate a cellular
response.
The result of the transduction pathway is a
which is often
the transcription of specific genes, resulting in some measurable change.
hormones
reflex arc
signal transduction
pathway
Signal transducers
second messenger
response
Receptor proteins
first messenger
You have been chosen as the lead student gardener for the CSUMB Future Farmers of America Club (FFAC). Your club is looking to
you and your Bio211 plant experience to guide them. You arrive at the new FFAC garden plots and notice that while there are many
fruits on the apple tree, they seem to remain hard, sour, and green. Your club mates need the red, sweet apples in just a few days
for the apple competition.
Choose the best hormone to apply and the reason supporting its use:
Select one:
O a. Apply ethylene to the apples to increase ripening.
O b. Apply ethylene to slow ripening and increase chlorophyll levels.
O C. Apply auxin to increase parthenocarpy
O d. Apply gibberellins to increase fruit size.
O e. Apply auxins to decrease apical dominance and increase water intake.
Chapter 31 Solutions
CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
Ch. 31.1 - Prob. 1CCCh. 31.1 - WHAT IF? If a plant has the double mutation ctr...Ch. 31.1 - Prob. 3CCCh. 31.2 - If an enzyme in field-grown soybean leaves is most...Ch. 31.2 - WHAT IF? If a plant flowers in a controlled...Ch. 31.2 - MAKE CONNECTIONS Plants detect the quality of...Ch. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CC
Ch. 31.4 - Chewing insects mechanically damage plants and...Ch. 31.4 - Prob. 3CCCh. 31 - The hormone that helps plants respond to drought...Ch. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - DRAW IT Indicate the response of Arabidopsis to...Ch. 31 - Prob. 8TYUCh. 31 - FOCUS ON EVOLUTION As a general rule,...Ch. 31 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 31 - Prob. 11TYU
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- The summer is not optimal for grape growing and you're searching in your memory for something regarding plant hormones. Explain 2 ways you could utilize plant hormones (choose from auxin, ethylene, cytokinin, gibberellin, abscisic acid, salicylic acid, jasonic acid) to compensate for a problem during growing. For each way:arrow_forwardPlease answer question 2arrow_forwardA shrub growing in the forest has recently had its shoot apical meristem eaten by a deer. Using your knowledge of plant hormones, how and why will this affect the remaining buds on the shrub shoot and the future growth of the plant aboveground and belowground.arrow_forward
- Match each hormone to its function or application. NOTE: If none of the options are correct, you MUST select #4for 'none of the above', otherwise it will be graded as incorrect Question 14 options: Auxin Giberellins Cytokinins Ethylene 1. Used in anti-aging skin creams. 2. Ripens fruit. 3. Causes stems to bend towards the light. 4. None of the abovearrow_forwardPlease type the answer to all parts of this question Answer the following question about the Quiescent Center (QC) of the root meristem. (a) What is the QC of the root meristem? (b) How is QC identity established? (Describe the plant hormone(s) and genes that are involved in QC development)arrow_forwardExplain the differences between plant hormones and plant growth regulatorsarrow_forward
- Identify the various types of plant hormones and theirfunction ?arrow_forwardWhich of the following is not a characteristic of plant hormones? They are active in small concentrations They are synthesized in specific glands and tissues They are pleiotropic in their effects Plant hormones are tissue and time-specificarrow_forwardIt was observed during the early 20th century that the abscission zone of leaves of tree growing close to gas burning street lamps weakened (entered the abscission phase) earlier than trees located further away from the lamps. Experiments showed that weakening of the abscission zone was not caused by either the lamp's light or heat. Instead the research on this phenomenon led to the discovery of a new gaseous plant hormone. What is this hormone? Ethylene Abscisic acid (ABA) Gibberellins Auxin Strigolactone Cytokininarrow_forward
- A. Give two functions of any plant hormome. B. Describe in detail the effects of a specific signal transduction pathway that begins with a plant hormone. Name the hormone and the give the effect in detail.arrow_forwardList 3 environmental factors discussed in lectures and give examples of physiological and biochemical perturbations in plants caused by fluctuations in these environmental factors. For each of the 3 environmental factors describe the primary effects and the secondary effects.arrow_forwardDescribe in your own words, how the experiments featured demonstrate the role of the plant hormone of interest.arrow_forward
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How do Plants Handle Stress?; Author: Alex Dainis;https://www.youtube.com/watch?v=TYsnveEHqec;License: Standard Youtube License