Match the following type of vesicles to the direction of transport of materials the vesicles do. COPII-coated vesicles COP1-coated vesicles Clathrin-coated vesicles (clathrin) coated pits A. From ER to the Golgi Apparatus B. from TGN to lysosomes C. receptor mediated endocytosis D. from Golgi Apparatus to ER

Match the following type of vesicles to the direction of transport of materials the vesicles do. COPII-coated vesicles COP1-coated vesicles Clathrin-coated vesicles (clathrin) coated pits A. From ER to the Golgi Apparatus B. from TGN to lysosomes C. receptor mediated endocytosis D. from Golgi Apparatus to ER

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter3: Cell Structure And Function

Section: Chapter Questions

Problem 12RQ: Water moves via osmosis _______. a. throughout the cytoplasm b. from an area with a high...

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Secretory vesicles fuse with the cell membrane to release their contents to the outside of the cell. In this process, the membrane of the secretory vesicle becomes part of the cell membrane because small pieces of the membrane are continually added to the cell membrane, one would expect the cell membrane to become larger and larger as secretion continues. The cell membrane stays the same size, however. Explain how this happens.
The extracellular matrixa. assists in the movement of substances across the plasmamembrane.b. prevents the loss of water when cells are placed in a hypertonicsolution.c. has numerous functions that affect the shape and activities of thecell that produced it.d. contains the junctions that sometimes occur between cells.e. All of these are correct.
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.
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 these statements about ion movement through the plasmamembrane is true?a. Movement of Na+ out of the cell requires energy (ATP).b. When Ca2+binds to proteins in ion channels, the diffusion of Na+into the cell is inhibited.c. Specific ion channels regulate the diffusion of Na+ through theplasma membrane.d. All of these are true
Glucose is transported across the cell membrane of intestinal cells. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? A facilitated diffusion B simple diffusion C osmosis D concentration gradient
Choose answer of the following The extracellular matrixa. assists in the movement of substances across the plasmamembrane.b. prevents the loss of water when cells are placed in a hypertonicsolution.c. has numerous functions that affect the shape and activities of thecell that produced it.d. contains the junctions that sometimes occur between cells.e. All of these are correct
Give typing answer with explanation and conclusion What are true regarding vesicles? Select one or more: a. move proteins and soluble cargo from the ER to the golgi and then final destinations. b. Select for specific glycosylated proteins c. move cargo in a "retrograde" fashion from the plasma membrane back to the golgi and then the ER. d. help proteins fold correctly.
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
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement? A. Exact concentration of solution is not given B. Character of semi permeable membrane is not given C. The flow of solution is not possible through semi permeable membrane D. All are incorrect
Facilitated diffusion differs from active transport in thatfacilitated diffusiona. expends no ATP.b. moves molecules from an area of higher concentration toone of lower concentration.c. does not require a carrier protein for transport.d. moves molecules in vesicles across a semipermeablemembrane.
Which of the following is NOT true about the peroxisome? It is _____. a. assembles from proteins b. a membrane-bound organelle c. responsible for packaging proteins d. similar to the lysosome