Stern's Introductory Plant Biology
14th Edition
ISBN: 9781259682742
Author: James Bidlack, Shelley Jansky, Kingsley R Stern
Publisher: McGraw-Hill Education
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Chapter 10, Problem 5DQ
Explain why secondary metabolites, originally designed by plants to deter pests or attract pollinators, have commercial value to humans
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Provide examples of secondary metabolite and discuss their functions in the following
scenarios.
(i)
Flowering plants and pollinators
(ii)
Plant – plant competition
Identify secondary metabolites produced by a plant in the following scenarios and explain how
it works as plant defense mechanism.
()
Pungent smell produced during the processing of raw Chinese Kailan.
(ii)
Improperly cook or prepared cassava chips.
Investigate and create an infographic about how cassava can cause poisoning in our bodies.
Here are your guide questions:
1) What are cyanoglycosides ? What are its natural sources?
2)What is present in the cassava that can affect the Electron transport system? Explain briefly the mechanism of action of this substance?
3) How does the poison affect the central nervous system and red blood cells?
4) What are the symptoms and possible remedy for this kind of poisoning?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Refer to the figure. To identify the molecule that accepts CO2, Calvin and Benson manipulated the carbon fixation cycle by either cutting off CO2 or cutting off light from cultures of photosynthetic algae. They then measured the concentrations of various metabolites immediately following the manipulation. How would these experiments help identify the CO2 acceptor? a) The CO2 acceptor concentration would decrease when either the CO2 or light is cut off. b)The CO2 acceptor concentration would decrease when the CO2 is cut off but increase when the light is cut off. c)The CO2 acceptor concentration would stay the same regardless of the CO2 or light. d)The CO2 acceptor concentration would increase when either the CO2 or light is cut off. e)The CO2 acceptor concentration would increase when the CO2 is cut off but decrease when the light is cut off.arrow_forwardConsider you want to produce secondary metabolites by fermentation. What happens to the formation of metabolites if you use rapidly metabolized sugars as a carbon source?arrow_forwardDetermine which is a primary or secondary metabolite and explain why. a.) Glycogen b.) Luciferinarrow_forward
- How would the following plants defend themselves from being eaten? Identify the secondary metabolite involved and how it works. (i) Cabbage. (ii) Cassava.arrow_forwardAnabolic reactions may be characterized as O 1) producing NADPH. O 2) exergonic. 3) breaking large molecules into smaller molecules. O 4) producing FADH. 5) forming large molecules from smaller precursors.arrow_forwardBriefly list out the chemicals contributing the anti-oxidative activities found in green tea.arrow_forward
- Match the following macronutrient with what a plant uses it for. Making amino acids, like Glycine It is the ion in the middle of chlorophyll a and chlorophyll b 1. Nitrates, NO3 2. phosphates, PO4*- Deoxyribonucleic acid, ribonucleic acid, and phospholipids for membranes. 3. Potassium, K* 4. Magnesium, Mg²+ Photosynthesis and cellular respiration. > > >arrow_forwardThe following structure is one of the building blocks for secondary metabolites biosynthesisarrow_forwardSwitchgrass is used for ethanol production. The composition of the switchgrass is 37% cellulose, 24% xylan, 3% galactan, 4% arabinan, 20% lignin, 7% extractives, and 5% ash. A dilute acid pretreatment method is applied to the switchgrass before enzymatic hydrolysis and fermentation. The pretreatment hydrolyzes 10% hexosan and 90% pentosan into monomeric sugars. Approximately 30% of the hydrolyzed pentoses further react & are decomposed to furfural. Assume that there is no decomposition of the hydrolyzed hexoses. Further Assume that lignin, extractives, and ash do not change during the pretreatment. • How much of each lignocellulosic sugar (glucose, xylose, galactose, and arabinose) is produced when pretreating 1,000 kg (dry matter) switchgrass? How much furfural is formed? • Is water consumed or produced in these pretreatment hydrolysis and dehydration reactions? How much in each?arrow_forward
- 46) The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis? A) Exergonic B) Feedback C) Endergonic D) Catabolic ubixoib noduso mott eagie alqmz eelqorolrdo or lo obixoib moduo olon ess to make ing t earrow_forwardI have recently purchased a bottle of essential oil to be used as mosquito repellent. Classify the essential oil into the relevant group of secondary metabolites. Describe the distinctive scent produced and name the plant in which this essential oil could be (i) extracted. What are the roles of terpenes in plant defense and provide ONE (1) suitable solvent to be used for extraction? (ii)arrow_forwardBiofuels offer an attractive alternative to fuel, but there are concerns about the resources and logistics of producing mass amounts of corn. Which organism is being considered as an alternative source of biofuel? A) cyanobacteria B) Escherichia coli C) yeast D) algaearrow_forward
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