Match the following terms with the appropriate type of movement across a cell mdiffusion active transport facilitated diffusion osmosis endocytosisA membrane-bound vesicle fuses with the cell membrane and releasesits contents inside of the cell membranelons move through a semi-permeable membrane down theirconcentration gradient (high to low) without the use of energy from the cell.Water diffuses freely across a semi-permeable membrane without theuse of energy from the cell.A molecule moves against its concentration gradient (low to high) withenergy provided by ATP molecules in the cellA membrane-bound vesicle fuses with the cell membrane and releasesits contents inside of the cell membraneA molecule moves down its concentration gradient (high to low)assisted by a carrier protein in the cell membrane without the use of

Molecules are transported across the plasma membrane through mechanisms such as passive transport…

Answered: Match the following terms with the…

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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4 5 6
Which of the following molecules would you expect to diffuse through the lipid bilayer of a plasma membrane most rapidly? Na+ An amino acid Starch Glucose O2
All of these are true with the Sodium Potassium pump except: 1. A type of primary active transport 2. Requires use of carrier proteins 3. Transport process that pumps three sodium ions towards outside the cell and pumps one potassium ion towards inside the cell 4. The process involves splitting ATP into phospate and ADP to liberate high energy phosphate bond of energy
Drag the appropriate labels to their respective targets. Reset Help Receptor-mediated endocytosis Secondary active transport Facilitated diffusion Exocytosis Passive transport Primary active transport Phagocytosis Osmosis Simple diffusion Pinocytosis ATPase pump Solute (jon) Solutes Solute Solute Solute H,0 Carrier protein -Plasma membrane Solute Carrier/ channel protein ATPase pump Cytosol ADP ADP Partide Ligand Pseudo- Receptor. Receptor podium Protein-coated pit Protein-coated pit Forming veside Cytosol Veside Veside Vesidle
Which of the following is a characteristic of facilitated diffusion (passive transport) of a molecule across a membrane? OOO The rate of transport is saturable. It is highly specific for the molecule being transported. All of the answers are correct. Its rate is higher than that of simple diffusion of the molecule. The direction of transport is determined by concentration and/or electrochemical gradients.
How is active transport different from simple diffusion? Both active transport and simple diffusion transport molecules against the concentration gradient. In active transport, molecules are moved down the concentration gradient; on the B contrary, molecules to be transported in simple diffusion are moved against the concentration gradient. In active transport, molecules are transported with the aid of transport proteins; on the © other hand, molecules to be transported in simple diffusion do not need transport proteins. In active transport, molecules that are transported does not need metabolic energy; in contrast, molecules transported in simple diffusion need metabolic energy.
Classify each phrase based on whether it describes or gives an example of passive transport, facilitated diffusion, both processes, or neither. Passive transport glucose transport across a membrane Facilitated diffusion cholesterol transport across a membrane protein-assisted movement. Answer Bank Both movement to an area of lower concentration. movement across a membrane Neither requires an input of energy
Select the correct statments regarding transport of molecules across the cell membrane. Non-mediated transport is susceptible to saturation of transporter/channel proteins. Channels and transporters need not use energy to transport solute down the concentration gradient. The Na+/K+ antiport takes advantage of electrochemical gradients to exchange Na+ and K+ ions across the cell membrane. Active transport via electrochemical gradients relies on the passive transport of one solute to transport a second solute against the concentration gradient. Describe the three main sources of membrane fluidity
Match the following statement related to membrane transport processes to the appropriate term or terms: passive transport, facilitated transport, active transport. A transporter (or carrier) protein is necessary. (Select all that apply.) passive transport facilitated transport active transport O O
Match the transport process to the correct description or example. Endocytosis is: Group of answer choices transport of large macromolecules into a cell transport of glucose into a cell, against its concentration gradient transport of glucose out of cell, with its concentration gradient making a new covalent bond transport of a steroid hormone into a cell transport of signal molecules out of an endocrine cell breaking of a covalent bond to create new molecules transport of sodium out of a neuron
Broadly name the two types of membrane transporter in the image below (A and B). Give one example of a molecule that may pass using a transporter like B. A solute lipid bilayer B X aqueous pore
Which of the following are features of facilitated diffusion? Select all that apply. lon transport with its concentration gradient (from high to low) lon transport that requires energy lon transport assisted by proteins lon transport associated with ATP hydrolysis

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