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Imagine you are the chief biologist at NASA when Perseverance Ill returns from its mission to Earth-like exoplanet Proxima Centauri b with actual living cells. You examine the cells in a variety of ways and find that they have what look like organelles, but very different from those in Earth species. Based on their appearance, you have named them cheese hats, kidney beans, and Drake. The cells secrete a gelatinous substance that you name "PC goo" and determine that it is comprised of polysaccharides containing the monosaccharides L-xylose and L-arabinose. Curious about how these alien cells synthesize PC goo prior to secretion, you perform a Pulse-Chase experiment using radioactively-labeled L-xylose. The resulting data are plotted in the graph below. 100 cheese hats kidney beans ...... Drake medium (extracellular) 20 40 60 Time after chase (min.) A conclusion that may reasonably be drawn from this data is that: O PC goo is synthesized in Drake. O Cheese hats are the 2nd organelle that PC goo is transported to after it is synthesized. O Kidney beans are the 3rd organelle that PC goo is transported to after it is synthesized. O PC goo is secreted into the medium constitutively. % of silver grains

Imagine you are the chief biologist at NASA when Perseverance Ill returns from its mission to Earth-like exoplanet Proxima Centauri b with actual living cells. You examine the cells in a variety of ways and find that they have what look like organelles, but very different from those in Earth species. Based on their appearance, you have named them cheese hats, kidney beans, and Drake. The cells secrete a gelatinous substance that you name "PC goo" and determine that it is comprised of polysaccharides containing the monosaccharides L-xylose and L-arabinose. Curious about how these alien cells synthesize PC goo prior to secretion, you perform a Pulse-Chase experiment using radioactively-labeled L-xylose. The resulting data are plotted in the graph below. 100 cheese hats kidney beans ...... Drake medium (extracellular) 20 40 60 Time after chase (min.) A conclusion that may reasonably be drawn from this data is that: O PC goo is synthesized in Drake. O Cheese hats are the 2nd organelle that PC goo is transported to after it is synthesized. O Kidney beans are the 3rd organelle that PC goo is transported to after it is synthesized. O PC goo is secreted into the medium constitutively. % of silver grains

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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Imagine you are the chief biologist at NASA when Perseverance IIl returns from its mission to Earth-like exoplanet Proxima Centauri b with actual living cells. You examine the cells in a variety of ways and find that they have what look like organelles, but very different from those in Earth species. Based on their appearance, you have named them cheese hats, kidney beans, and Drake. The cells secrete a gelatinous substance that you name "PC goo" and determine that it is comprised of polysaccharides containing the monosaccharides L-xylose and L-arabinose. Curious about how these alien cells synthesize PC goo prior to secretion, you perform a Pulse-Chase experiment using radioactively-labeled L-xylose. The resulting data are plotted in the graph below. 100 cheese hats kidney beans 50 Drake --- medium (extracellular) 20 40 60 Time after chase (min.) A conclusion that may reasonably be drawn from this data is that: O PC goo is synthesized in Drake. O Cheese hats are the 2nd organelle that PC goo is transported to after it is synthesized. O Kidney beans are the 3rd organelle that PC goo is transported to after it is synthesized. O PC goo is secreted into the medium constitutively. % of silver grains
Transcribed Image Text:Imagine you are the chief biologist at NASA when Perseverance IIl returns from its mission to Earth-like exoplanet Proxima Centauri b with actual living cells. You examine the cells in a variety of ways and find that they have what look like organelles, but very different from those in Earth species. Based on their appearance, you have named them cheese hats, kidney beans, and Drake. The cells secrete a gelatinous substance that you name "PC goo" and determine that it is comprised of polysaccharides containing the monosaccharides L-xylose and L-arabinose. Curious about how these alien cells synthesize PC goo prior to secretion, you perform a Pulse-Chase experiment using radioactively-labeled L-xylose. The resulting data are plotted in the graph below. 100 cheese hats kidney beans 50 Drake --- medium (extracellular) 20 40 60 Time after chase (min.) A conclusion that may reasonably be drawn from this data is that: O PC goo is synthesized in Drake. O Cheese hats are the 2nd organelle that PC goo is transported to after it is synthesized. O Kidney beans are the 3rd organelle that PC goo is transported to after it is synthesized. O PC goo is secreted into the medium constitutively. % of silver grains
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