Practice Performance Task: Cellulase PRACTICE PFOR K Both humans and cows are able to consume plant matter made up of complex carbolydrates, such as starch or cellulose. However. a cow's digestive system is very different from that of a human. As a result, humans and cows differ in their ability to extract nutrients fiom plant-based food resources For example, unlike humans, cows can thrive on grass, which is lareely made up of cellulose Cows are able to digest grass thanks to a complex community of microbes, inclading bacteria, in their digestive system. These bacteria prodoce cellulase, which starts the process of breaking down cellulose into smaller sobbunits of ghacose. Cows then acquire energy as the microbes in their digestive system utilize the glucose to carry out fermentation. A by-product of fermentation by bacteria is methane gas (CH) 1. A student is working on drawing and labeling a very basic model showing how cellulose is broken down. The students work on the model so far is shown below. Rased on the passage above, revise the student's model so that it is correct and complete. Be sure to clearly identify all your revisions to the model. 2 dentify the subunits (monomers) that make up cellulase and those that make up cellulose. Describe the difference in these two macromolecules' roles in cellular systems.
Practice Performance Task: Cellulase PRACTICE PFOR K Both humans and cows are able to consume plant matter made up of complex carbolydrates, such as starch or cellulose. However. a cow's digestive system is very different from that of a human. As a result, humans and cows differ in their ability to extract nutrients fiom plant-based food resources For example, unlike humans, cows can thrive on grass, which is lareely made up of cellulose Cows are able to digest grass thanks to a complex community of microbes, inclading bacteria, in their digestive system. These bacteria prodoce cellulase, which starts the process of breaking down cellulose into smaller sobbunits of ghacose. Cows then acquire energy as the microbes in their digestive system utilize the glucose to carry out fermentation. A by-product of fermentation by bacteria is methane gas (CH) 1. A student is working on drawing and labeling a very basic model showing how cellulose is broken down. The students work on the model so far is shown below. Rased on the passage above, revise the student's model so that it is correct and complete. Be sure to clearly identify all your revisions to the model. 2 dentify the subunits (monomers) that make up cellulase and those that make up cellulose. Describe the difference in these two macromolecules' roles in cellular systems.
Nutritional Sciences: From Fundamentals to Food, Enhanced Edition
3rd Edition
ISBN:9781337486415
Author:McGuire
Publisher:McGuire
Chapter2: Nutritional Assessment And Dietary Planning
Section: Chapter Questions
Problem II2DWPA
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Transcribed Image Text:Practice Performance Task: Cellulase
PRACTICE
PERFOR K
Both humans and cows are able to consume plant matter made up
of complex carbolydrates, such as starch or cellulose. However, a
cow's digestive system is very different from that of a human. As a
result, humans and cows differ in their ability to extract nutrients
from plant-based food resources For example, unlike humans,
vows can thrive on grass, which is largely made up of cellulose
Cows are able to digest grass thanks to a complex community
of microbes, inchading bacteria, in their digestive system. These
bacteria prodoce cellulase, which starts the process of breaking
down cellulose into smaller sobbunits of ghacose. Cows then
acquire energy as the microbes in their digestive system utilize the
glucose to carry out fermentation. A by-product of fermentation
by bacteria is methane gas (CH,)
1. A student is working on drawing and labeling a very basic model showing how
cellulose is broken down. The students work on the model so far is shown below.
Rased on the passage above, revise the student's model so that it is correct and
complete. Be sure to clearly identify all your revisions to the model.
2 Identify the subunits (monomers) that make up cellulase and those that make up
cellulose. Describe the difference in these two macromolecules' roles in cellular
systems.
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