Endocytosis and exocytosis are both forms of [ ACTIVE / PASSIVE ] transport that [ DO / DO NOT ] require energy. Outline an example/scenario in which a cell would need to perform a form of endocytosis. Outline an example/scenario in which a cell would need to perform exocytosis. a) Name the 3 specific types of endocytosis. b) Exocytosis is considered the opposite/reverse process as? Pls help

Endocytosis and exocytosis are both forms of [ ACTIVE / PASSIVE ] transport that [ DO / DO NOT ] require energy. Outline an example/scenario in which a cell would need to perform a form of endocytosis. Outline an example/scenario in which a cell would need to perform exocytosis. a) Name the 3 specific types of endocytosis. b) Exocytosis is considered the opposite/reverse process as? Pls help

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter3: Cells And How They Work

Section: Chapter Questions

Problem 3RQ: Distinguish between the following pairs of terms: a. diffusion; osmosis b. passive transport; active...

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Among the statements a, b and c, which is/are false? a) Endocytosis is the formation of vacuoles by the plasma membrane for the purpose oftransport inside the cell a small content of extracellular fluid. b) Exocytosis is the formation of vacuoles by the plasma membrane for the purpose oftransport a small amount of intracellular fluid out of the cell. c) Pinocytosis is a form of endocytosis. d) All of these statements are false. e) None of these statements is false.
The following table depicts the rate of transport of a molecule into a cell as the external concentrations are changed. Based on what you know about the characteristics of membrane transport, the molecule is most likely transported by: a) passive transport b) simple diffusion across the membrane c) facilitated diffusion d) active transport
Match the definitions with the words: Direct Diffusion, Facilitated Transport, Active Transport a) passive movement of molecules through a protein channel, down the solute's concentration gradient b) using a vesicle to move many molecules into a cell c) movement of molecules through a protein transporter, requires ATP, against the solute's concentration gradient
Which of the following is true of exocytosis, but not true of facilitated diffusion? Select all that apply. A) Involves transport vesicles B) May be used to move a hydrophilic substance to the other side of the membrane C) Requires energy D) Always moves a substance down its concentration gradient E) Always results in a substance exiting from the cell .
Which of the following statements is correct about passive diffusion? Select one: A) It is a process in which molecules move from a region of lower concentration to one of higher concentration (or up a concentration gradient). B) It is a process in which molecules move from a region of higher concentration to a region of lower concentration (or down a concentration gradient). C) It requires an expenditure of energy by the cell. D) It may require a transport protein. E) It involves movement of molecules down a concentration gradient and may require a transport protein.
While endocytosis and exocytosis refer to the direction in which a vesicle moves into and out of a cell respectively, it is important to think about what is being moved with and within the vesicles. To demonstrate how this process is utilized in human cells we will focus on the human body's insulin response. The purpose of the insulin response is to create a pathway for glucose entry into cells by releasing glucose transporters into the membrane. Cell Type #1- insulin producers: In humans, pancreatic B-cells create steroid insulin that can be packaged into vesicles starting at the ER. These vesicles are prepared for exocytosis so that the insulin can be released from the pancreatic B - cells and get into the bloodstream when signaled to do so. When glucose is present in the blood stream these cells will release the pre-packed insulin into the blood stream. Cell Type #2- insulin responders: Other cells do not produce insulin but instead respond when they have received the insulin signal…
Receptor mediated endocytosis requires the presence of O a) carrier proteins that move molecules across the membrane into the cytosol. b) primary active transport pumps. c) specialized proteins on the membrane surface.
Cells transporting substances across their membranes is essential. Choose TWO of the following types of cellular transport. ๏osmosis ๏active transport ๏facilitated diffusion ๏endocytosis / exocytosis (a)For each type of transport you choose, describe the transport process. Explain how the organization of cell membrane plays a role the movement of specific molecules across membrane. (b)Using the same transport types, identify a specific cell that utilizes that type of transit (i.e. one cell for each transport type, or two different cell examples), and detail a substance that is transferred. (c)A typical human lymphocyte has a radius of about 10 μm, while a typical bacterium (e.g., S. pneumoniae) has a radius of about 1 μm. Assuming that both cell types are perfectly spherical, compare and contrastthe transport mechanisms for each of these cells.
Which of the following serves as a specific binding site for the proteins involved in membrane fusion during exocytosis?a) Phosphatidylinositolb) Phosphatidylinositol 4, 5-biphosphateb) Phosphatidylinositol 3, 5-biphosphatec) Phosphatidylinositol 3, 4-biphosphate
Magnesium ions are in higher concentration inside the cell. What process would the magnesium ions use to enter the cell? Hint: drawing a picture may help you. A) receptor-mediated endocytosis B) active transport C) simple diffusion D) osmosis E) Facilitated diffusion
Define the terms (i) facilitated diffusion, (ii) primary active transport and (iii) secondary active transport. Identify which of these transport types the following are examples of: a) ATP/ADP translocase b) K^+ channels c) Bacteriorhodopsin
1.) Select/highlight the statements that are TRUE regarding simple diffusion. a) It is a form of passive transport. b) It is how glucose travels across the cell membrane C) It is used to transport larger molecules such as polysaccharides. d) It is the method used to transport small, nonpolar molecules. 2.) What is the name of the process occurring in the diagram below and additionally, what is the name given to the condition/outcome/state created on the right side of the diagram below?