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EEOB Exam 4 Practice Questions and Answers
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EEOB Exam 4 Practice Questions and Answers What does the protein act like in carrier mediated transport? What type of protein is used? - ANSWER-a shuttle (integral transmembrane protein) What regulates carrier mediated transport? Why? - ANSWER-binding regulates transport because the solute mus...

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  • October 30, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • eeob exam 4 practice questions and answers

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  • EEOB 2520

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©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




EEOB Exam 4 Practice Questions and

Answers


What does the protein act like in carrier mediated transport? What type of protein is used? -

ANSWER✔✔-a shuttle (integral transmembrane protein)


What regulates carrier mediated transport? Why? - ANSWER✔✔-binding regulates transport because

the solute must interact with the protein, changes the protein's shape


What are the two types of carrier mediated transport? - ANSWER✔✔-facilitated diffusion and active

transport


Which type of carrier mediated transport allows diffusion to happen easier? - ANSWER✔✔-facilitated

diffusion


Does active transport use diffusion? Why or why not? - ANSWER✔✔-it does not use diffusion because it

is going against the gradient


How is glucose typically brought into cells? - ANSWER✔✔-Through facilitated diffusion


Is there an energy cost with facilitated diffusion? Why or why not? - ANSWER✔✔-there is not an energy

cost because it is going with the gradient

Page 1/13

, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




In facilitated diffusion, what causes the transport? How? - ANSWER✔✔-conformation change of the

protein caused by the solute binding into the protein


What is saturation in facilitated diffusion? How does this happen? - ANSWER✔✔-overloading of solutes;

caused by the transporter only being able to move a set number of solutes at once


What can speed up the facilitated diffusion process? Will this always cause it to go faster than it was? -

ANSWER✔✔-a larger gradient of solutes can speed up the process, but it will level out at some point

(causing saturation if solutes keep building up)


How do competitors work with facilitated diffusion (different types)? - ANSWER✔✔-competitors will

either activate the transporters themselves (not being the ligand that usually goes through it) or it will

block the transporter (which may stop the process by not allowing movement)


What is a glucose transporter (GLUT) an example of? - ANSWER✔✔-facilitated diffusion


How do solutes move in active transport (as an overall)? - ANSWER✔✔-almost always against the

gradient


Is there an energy cost with active transport? Why or why not? - ANSWER✔✔-there is an energy cost

because the solutes are traveling against the gradient


What does the conformation changes in active transport cause? - ANSWER✔✔-transport and ATP use


What are the two types of active transport? - ANSWER✔✔-primary and secondary AT

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