BIOLOGY 12E CONNECT ACCESS CARD
12th Edition
ISBN: 9781264938513
Author: Raven
Publisher: MCG
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Chapter 39, Problem 1IQ
Summary Introduction
To determine: The explanation of any red -light-mediated responses if a seed with a mutation in the protein kinase domain of phytochrome is germinated.
Introduction: The photomorphogenesis refers to a process in which the light triggers the development of different plant parts and results in various complex changes such as the production of flowers. Another process called phototropism represents the directional growth responses towards the sunlight.
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Plant Physiology
In the amazon rainforest, what is needed (1 only) to induce germination faster? Why?
Please help this is hw and I want to know why I'm wrong
Why do many plants use pathways that detect light to regulate their flowering?
Selected Answer:
This allows plants to link flowering to temperature, which corresponds to the season when conditions are optimal
Answers:
This allows plants to link flowering to day length, which corresponds to the season when conditions are optimal
Flower petals carry out high levels of photosynthesis and require high light conditions
This allows plants to link flowering to temperature, which corresponds to the season when conditions are optimal
A minimum amount of light is always necessary for flowering
Please answer question 3
Chapter 39 Solutions
BIOLOGY 12E CONNECT ACCESS CARD
Ch. 39.1 - Compare the pigments phytochrome and chlorophyll.Ch. 39.1 - List growth responses influenced by phytochrome.Ch. 39.1 - Prob. 3LOCh. 39.2 - Prob. 1LOCh. 39.2 - Prob. 2LOCh. 39.3 - Prob. 1LOCh. 39.3 - Prob. 2LOCh. 39.3 - Prob. 3LOCh. 39.4 - Prob. 1LOCh. 39.4 - Prob. 2LO
Ch. 39.4 - Identify the types of biological molecules that...Ch. 39.5 - Discuss properties of hormones.Ch. 39.5 - Prob. 2LOCh. 39.5 - Prob. 3LOCh. 39 - Prob. 1DACh. 39 - Prob. 1IQCh. 39 - Prob. 2IQCh. 39 - Propose a mechanism to explain how seedlings could...Ch. 39 - Which of the following is stimulated by blue...Ch. 39 - Prob. 2UCh. 39 - Prob. 3UCh. 39 - Prob. 4UCh. 39 - Which of the following does NOT happen as a seed...Ch. 39 - Dwarf mutants can sometimes be induced to grow...Ch. 39 - Prob. 1ACh. 39 - If you were to plant a de-etiolated (det2) mutant...Ch. 39 - Prob. 3ACh. 39 - Which of the following defects would prevent...Ch. 39 - You have come up with a brilliant idea to stretch...Ch. 39 - You have identified a mutant Arabtdopsis plant...Ch. 39 - Which of the following might not be observed in a...Ch. 39 - Prob. 1SCh. 39 - Prob. 2SCh. 39 - The current model for gravitropism suggests that...Ch. 39 - Prob. 4S
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- Discuss other morphological differences between sunny and shady set-ups of mung bean in relation to phototropic response of plants. Characteristics sunny shaded Leaf color Lime Green Pale Green Direction of Growth Grows upward towards the direction of sunlight Oriented in the direction of the light but growth is bent downwardarrow_forwardPhytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure below What is phytochrome likely doing in the lettuce seeds? Activating abscisic acid production Activating inhibitors of germination Inhibiting gibberellin synthesis Turning on germination-related genesarrow_forwardStomata close in response to bacterial infection. Why is this response a mechanism of defense for the plant? Which hormone is most likely to mediate this response?arrow_forward
- Phytochrome is a plant pigment protein that mediates plant infection promotes plant growth mediates morphological changes in response to red and far-red light inhibits plant growtharrow_forwardUsing the provided figure, describe the importance of the two phytochrome systems in controlling de-etiolation and green stem elongation under full sun and shade. Include the key mechanisms and temporal changes in control of this process.arrow_forwardPlease help asaparrow_forward
- What are the TWO (2) light regions detected by phytochromes and identify photoreceptor responsible for phototropism response in plants? *arrow_forwardQNO-4: Describe the inflorescences of Asteraceae , Poaceae and Euhorbiaceae .arrow_forwardGive Detailed explanation Solution (don't give Handwritten answer)arrow_forward
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