12111) The table below compares and contrasts carrier protein pumps with clathrin-dependentreceptor-mediated endocytosis. Fill in the empty spaces of the table with the appropriate answerClathrin-Carrier proteindependentreceptor mediatedendocytosispumpInvolvement of multiple types ofproteins? (Yes/No)Involvement of ATP? (Yes/No)Involvement of dynamin? (Yes/No)Membrane proteins involved arespecific for only a small number ofdifferent types of substances? (Yes / No)Possible direction of movement oftransported molecules (Into cell/Out ofcell/Both)Requires formation of a vesicle?(Yes/No)

Transport across the plasma membrane involves various transporters pumps and vesicle mediated…

Answered: Clathrin- Carrier protein dependent…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Maintaince of cell shape and directed intracellular transport are provided by the presence of the structures (in the cell) which include [1] [2] and [3] ]have the largest diameter. They consist of the protein 1
What sort of cellular changes would you expect a sailor sick with scurvy to experience? O Their collagen (an extracellular matrix component) would be diminished, resulting in fewer binding sites for integrins. The end result would be less adherent cells. O Their collagen (a cytoskeletal fiber) would be diminished, resulting in a loss of contractile motion within the cell, affecting both cell migration and muscle function.
Summarize the mechanisms of uptake of large molecules and particles by the plasma membrane.Explain the processes of phagocytosis, pinocytosis, and clathrin-mediated endocytosis. Describe recycling of cell surface receptors, including the role of vesicular acidification in the cycle.
1. why are vesicles protein-coated? 2. How are ER-resident proteins maintained? 3. Explain in DETAIL what is Exocytosis and Autophagic pathway.
Peripheral membrane proteins O may noncovalently interact with phospholipid heads O contain many hydrophobic amino acid residues if found on the cytosolic leaflet but contain hydrophilic residues if found on the extracellular leaflet O contain only alpha helical membrane spanning domains O have covalently attached lipid or fatty acid anchors All of the other are true
In animal and yeast cells, it appears that these vesicles travel from the main cell body to the region where the new division is forming by moving along actin filaments. What type/family of motor protein might you expect to be associated with these vesicles to facilitate this transport? Briefly explain your reasoning.
10(a) Draw or explain the structure of the plasma membrane, 10(b) explain how the plasma membrane is able to be selectively permeable 10(c) How do small, lipid-based molecules move through the membrane? 10(d) How do large or polar molecules move through the membrane?
Concerning the plasma membrane: A Approximately 80% of the plasma mem- brane mass is composed of phospholipids; B Most of the membrane proteins are extrin- sic proteins and GPI-anchored proteins; C Membrane proteins are never glycopro- teins; |D The composition of the plasma membrane is different from that of endomembranes; E Transmembrane proteins can be transport proteins (ion pumps; canals, transporters, ..).
Integral membrane proteins are not water-soluble. Why? How must these proteins differ from globular proteins?
Answer the following question in few paragraphs: The actual network and the microtubule network within a cell display very similar assembly kinetics yet has drastically different mechanisms that regulate the dynamics of the individual networks. Compare and contrast the dynamics, both assembly and disassembly, of Actin and microtubules. Be sure to elaborate why these distinctions exist.
Which statement is false? The cis face is situated near the rough endoplasmic reticulum's transitional region Medial refers to the central layers of cisternae in which much of the processing of proteins occurs the trans face is located near the cell membrane. It is the exiting face of the Golgi apparatus from which the vesicle exits the Golgi All of these None of these
Which statements are true? Explain why or why not.1 Given the numerous processes inside cells thatare regulated by changes in Ca2+ concentration, it seemslikely that Ca2+-dependent cell–cell adhesions are alsoregulated by changes in Ca2+ concentration.2 Tight junctions perform two distinct functions:they seal the space between cells to restrict paracellularflow and they fence off plasma membrane domains toprevent the mixing of apical and basolateral membraneproteins.3 The elasticity of elastin derives from its high con-tent of α helices, which act as molecular springs.4 Integrins can convert mechanical signals intointracellular molecular signals.

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