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Dr. Asami is investigating the mechanism by which an invasive plant, Uzduk, outcompetes native sunflowers. Dr. Asami thinks there are two possible options for the competitive success of Uzduk over the sunflowers. First, Uzduk releases a chemical, nastanole, into the soil. Nastanole can disrupt the cell membranes of other plants' roots and significantly reduce their growth. However, not all plants are susceptible to nastanole attack. Second, Uzduk grows extremely aggressively and can prevent other plants from accessing key resources like sunlight and soil nutrients. Dr. Asami wants to assess whether nastanole is the mechanism for invasive take-over of sunflower populations. She grows 50 Uzduk plants and knocks out the gene for nastanole production in half of them. Thus, one group of 25 produce nastanole normally (normal group) while the other group of 25 produce no nastanole (knocked out group). She plants each Uzduk plant in a pot along with one native sunflower. After 3 months, she measures the percent shoot growth (cm) of the native sunflowers grown with normal and knocked-out Uzduk plants. Given this information, select the properly constructed scientific hypothesis for Dr. Asami's work. Uzduk is associated with the decline of sunflowers because sunflowers growing near uzduk plants grow less. Sunflowers grown with knocked out Uzduk plants will experience more growth because they won't be exposed to nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk is associated with the decline of sunflowers because it releases nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. Uzduk outcompetes native sunflowers

Dr. Asami is investigating the mechanism by which an invasive plant, Uzduk, outcompetes native sunflowers. Dr. Asami thinks there are two possible options for the competitive success of Uzduk over the sunflowers. First, Uzduk releases a chemical, nastanole, into the soil. Nastanole can disrupt the cell membranes of other plants' roots and significantly reduce their growth. However, not all plants are susceptible to nastanole attack. Second, Uzduk grows extremely aggressively and can prevent other plants from accessing key resources like sunlight and soil nutrients. Dr. Asami wants to assess whether nastanole is the mechanism for invasive take-over of sunflower populations. She grows 50 Uzduk plants and knocks out the gene for nastanole production in half of them. Thus, one group of 25 produce nastanole normally (normal group) while the other group of 25 produce no nastanole (knocked out group). She plants each Uzduk plant in a pot along with one native sunflower. After 3 months, she measures the percent shoot growth (cm) of the native sunflowers grown with normal and knocked-out Uzduk plants. Given this information, select the properly constructed scientific hypothesis for Dr. Asami's work. Uzduk is associated with the decline of sunflowers because sunflowers growing near uzduk plants grow less. Sunflowers grown with knocked out Uzduk plants will experience more growth because they won't be exposed to nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk is associated with the decline of sunflowers because it releases nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. Uzduk outcompetes native sunflowers

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Dr. Asami is investigating the mechanism by which an invasive plant, Uzduk, outcompetes native sunflowers. Dr. Asami thinks there are two possible options for the competitive success of Uzduk over the sunflowers. First, Uzduk releases a chemical, nastanole, into the soil. Nastanole can disrupt the cell membranes of other plants' roots and significantly reduce their growth. However, not all plants are susceptible to nastanole attack. Second, Uzduk grows extremely aggressively and can prevent other plants from accessing key resources like sunlight and soil nutrients. Dr. Asami wants to assess whether nastanole is the mechanism for invasive take-over of sunflower populations. She grows 50 Uzduk plants and knocks out the gene for nastanole production in half of them. Thus, one group of 25 produce nastanole normally (normal group) while the other group of 25 produce no nastanole (knocked out group). She plants each Uzduk plant in a pot along with one native sunflower. After 3 months, she measures the percent shoot growth (cm) of the native sunflowers grown with normal and knocked-out Uzduk plants. Given this information, select the properly constructed scientific hypothesis for Dr. Asami's work. O Uzduk is associated with the decline of sunflowers because sunflowers growing near uzduk plants grow less. O Sunflowers grown with knocked out Uzduk plants will experience more growth because they won't be exposed to nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk is associated with the decline of sunflowers because it releases nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk outcompetes native sunflowers
Transcribed Image Text:Dr. Asami is investigating the mechanism by which an invasive plant, Uzduk, outcompetes native sunflowers. Dr. Asami thinks there are two possible options for the competitive success of Uzduk over the sunflowers. First, Uzduk releases a chemical, nastanole, into the soil. Nastanole can disrupt the cell membranes of other plants' roots and significantly reduce their growth. However, not all plants are susceptible to nastanole attack. Second, Uzduk grows extremely aggressively and can prevent other plants from accessing key resources like sunlight and soil nutrients. Dr. Asami wants to assess whether nastanole is the mechanism for invasive take-over of sunflower populations. She grows 50 Uzduk plants and knocks out the gene for nastanole production in half of them. Thus, one group of 25 produce nastanole normally (normal group) while the other group of 25 produce no nastanole (knocked out group). She plants each Uzduk plant in a pot along with one native sunflower. After 3 months, she measures the percent shoot growth (cm) of the native sunflowers grown with normal and knocked-out Uzduk plants. Given this information, select the properly constructed scientific hypothesis for Dr. Asami's work. O Uzduk is associated with the decline of sunflowers because sunflowers growing near uzduk plants grow less. O Sunflowers grown with knocked out Uzduk plants will experience more growth because they won't be exposed to nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk is associated with the decline of sunflowers because it releases nastanole, a chemical the disrupts the cell membranes of plant roots and reduces their growth. O Uzduk outcompetes native sunflowers
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