Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 17RQ
In what important way does receptor-mediated endocytosis differ from phagocytosis?
- It transports only small amounts of fluid
- It does not involve the pinching off of membrane
- It brings in only a specifically targeted substance
- It brings substances into the cell, while phagocytosis removes substances.
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Which of the following processes is involved in the bulktransport of molecules out of the cell?a. phagocytosisb. pinocytosisc. receptor-mediated endocytosisd. exocytosise. None of these are correct.
Which of the following is not true about phagocytosis?(a) It is a form of exocytosis.(b) It is energy dependent.(c) It only occurs in eukaryotes.(d) A larger cell engulfs a smaller cell that will eventually bepresent in an internal vacuole.(e) It requires fusion of internal lysosomes to engulfed vac-uole for contents to be digested
Which one ( phagocytosis, pinocytosis,receptor-mediated endocytosis) is the opposite of exocytosis?
Chapter 5 Solutions
Biology 2e
Ch. 5 - Figure 5.12 A doctor injects a patient with what...Ch. 5 - Figure 5.16 Injecting a potassium solution into a...Ch. 5 - Figure 5.19 If the pH outside the cell decreases,...Ch. 5 - Which plasma membrane component can be either...Ch. 5 - Which characteristic of a phospholipid contributes...Ch. 5 - What is the primary function of carbohydrates...Ch. 5 - A scientist compares the plasma membrane...Ch. 5 - Water moves via osmosis. throughout the cytoplasm...Ch. 5 - The principal force driving movement in diffusion...Ch. 5 - What problem is faced by organisms that live in...
Ch. 5 - In which situation would passive transport not use...Ch. 5 - Active transport must function continuously...Ch. 5 - How does the sodium-potassium pump make the...Ch. 5 - What is the combination of an electrical gradient...Ch. 5 - What happens to the membrane of a vesicle after...Ch. 5 - Which transport mechanism can bring whole cells...Ch. 5 - In what important way does receptor-mediated...Ch. 5 - Many viruses enter host cells through receptor-...Ch. 5 - Which of the following organelles relies on...Ch. 5 - Imagine a cell can perform exocytosis, but only...Ch. 5 - Why is it advantageous for the cell membrane to be...Ch. 5 - Why do phospholipids rend to spontaneously orient...Ch. 5 - How can a cell use an extracellular peripheral...Ch. 5 - Discuss why the following affect the rate of...Ch. 5 - Why does water move through a membrane?Ch. 5 - Both of the regular intravenous solutions...Ch. 5 - Describe two ways that decreasing temperature...Ch. 5 - A cell develops a mutation in its potassium...Ch. 5 - Where does the cell get energy for active...Ch. 5 - How does the sodium-potassium pump contribute to...Ch. 5 - Glucose from digested food enters intestinal...Ch. 5 - The sodium/calcium exchanger (NCX) transports...Ch. 5 - Why is it important that there are different types...Ch. 5 - Why do ions have a difficult time getting through...
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- What will happen if the cells inside ypur body will stop drinking or eating substances?Are pinocytosis and phagocytosis necessary?Why?arrow_forwardWhy is receptor-mediated endocytosis said to be moreselective than phagocytosis or pinocytosis?arrow_forwardWhat type of endocytosis moves specific molecules from the extracellular fluid into the cell? Receptor-mediated endocytosis Pinocytosis Phagocytosis Secretionarrow_forward
- ________ is the process of a cell taking in needed molecules from the extracellular fluid. a. Phagocytosis b. Receptor-mediated endocytosis c. Pinocytosisarrow_forwardApoptosis does not cause inflammation. Explain why?arrow_forwardDuring phagocytosis, which action is associated with destruction? a. exocytosis b. adhesion c. oxidative burst d. chemotaxisarrow_forward
- How is receptor-mediated endocytosis different from phagocytosis?arrow_forwardHow does receptor- mediated endocytosis differ from phagocytosis?arrow_forwardWhich of the following active transport mechanisms moves solid particles towards the interior of the cell? Group of answer choices phagocytosis pinocytosis vesicular transport exocytosisarrow_forward
- Why do you think apoptosis occurs by a different mechanism from the cell death that occurs in necrosis? What might be the consequences if apoptosis were not achieved in such a neat and orderly fashion, whereby the cell destroys itself fron within and avoids leakage of its contents into the extracellular space?arrow_forwardCells are anchored to the extracellular matrix by two main structures. What are they, what are their major components, and how do they anchor the cell?arrow_forwardIon pumps and phagocytosis are both examples of whatarrow_forward
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