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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Description
Phagocytosis
Exocytosis
Brings large substances into the cell
Concentrates a specific target molecule within vesicles
Influences the size of the plasma membrane
In what way are phagocytosis and pinocytosis similar?Describe one way each process is important within the body.
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
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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- Movement of molecules taken in from one site in the plasma membrane to a different region of the plasma membrane for secretion is called autophagy exocytosis phagocytosis endocytosis transcytosisarrow_forwardAll of them are true about apoptosis except: O Blebs contain cellular orgenelles Cell membrane ruptures and release content Programmed cell death Phagocytic cells remove fragment bodiesarrow_forwardCompare and contrast the following terms: Phagocytosis and pinocytosisarrow_forward
- Item17 Item 17 Which is a passive transport process? Multiple Choice Phagocytosis Pinocytosis Receptor-mediated endocytosis Osmosis Ion pump Item18 Item 18 The type of vesicular transport by which large molecules or large amounts of substances are secreted from a cell is _________. Fill in the blank Fill in the blank Item19 Item 19 Materials tend to move less rapidly when their concentrations are significantly different between two compartments. Group startsTrue or False Item19 Item20 Item 20 As potassium diffuses down its concentration gradient, it moves out of the cell. However, this movement is resisted by the accumulating negative charge outside the cell. Group startsTrue or Falsearrow_forwardDefine the origin and action of lysosomes in phagocytosis.arrow_forwardWhat will happen if the cells inside ypur body will stop drinking or eating substances?Are pinocytosis and phagocytosis necessary?Why?arrow_forward
- Why is receptor-mediated endocytosis said to be moreselective than phagocytosis or pinocytosis?arrow_forwardphagocytosis is where a cell envelopes larger particles using its cellular membrane. Ture or falsearrow_forwardMonocytes are powerful phagocytes. Skeletal muscle fibers do mechanical work. Goblet secrete mucus. In each of these 3 cases, decide which cellular organelle (s) must be present in great abundance in order to accomplish the functions described and indicate how these organelles are involved.arrow_forward
- Match the transport process to the correct description or example. Phagocytosis is: Group of answer choices transport of sodium out of a neuron import of an entire bacterium into a white blood cell transport of large macromolecules into a cell transport of glucose into a cell, against its concentration gradient transport of a steroid hormone into a cell making a new covalent bond transport of signal molecules out of an endocrine cell breaking of a covalent bond to create new molecules transport of glucose out of cell, with its concentration gradientarrow_forwardWhich one ( phagocytosis, pinocytosis,receptor-mediated endocytosis) is the opposite of exocytosis?arrow_forwardWhich of the following requires a specific interaction with the molecules or substance it is going to take into the cell? fluid-phase endocytosis transcytosis PRE pinocytosis phagocytosis receptor-mediated endocytosisarrow_forward
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