Diffusion: Which following statement is incorrect? Select one: a. Facilitated diffusion requires a transport protein b....
Diffusion: Which following statement is incorrect?
Select one:
a. Facilitated diffusion requires a transport protein
b. It is a form of passive transport
c. Isotonic solutions have an equal amount of solute on both sides of the membrane - no change in shape
d. Exocytosis involves the diffusion of molecules out of a cell
e. Hypotonic solutions result in cell swelling
Homework Answers
Answer:
Hypotonic solutions result in cell swelling
Occording to osmosis, water moves from low concentration solution to high concentration solution via semipermeable membrane. When a cell placed in an hypotonic solution, water moves from solution to cell that cause cell swelling. This mechanism is not due to diffusion is due to osmosis.
Add Answer to:
Diffusion: Which following statement is incorrect?
Select one:
a. Facilitated diffusion requires a transport protein
b....
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a...
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a solute-specific protein carrier Facilitated diffusion transports solute against its’ concentration gradient Which of the following is TRUE about primary active cell membrane transport? It is a form of transport that requires a protein “pump” It is a form of transport that transports ions and/or solute against their concentration gradient It is a transport mechanism that requires energy released from the splitting of ATP by...
ane Transport - Facilitated Diffusion Side with higher concentration of molecules Transport protein Plasma membrane Facilitated...
ane Transport - Facilitated Diffusion Side with higher concentration of molecules Transport protein Plasma membrane Facilitated diffusion causes a net movement of molecules down their concentration gradient. mework : Membrane Transport - Active Transport Side with higher concentration of square molecules Transport protein Energy input from the cell Plasma membrane Side with lower concentration of square molecules
Please summarize this chapter typed clearly. Diffusion Is a passive process of transport. A single substance...
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
1.Select 5-10 of the following vocabulary terms located near the bottom of the document. 2.. show...
1.Select 5-10 of the following vocabulary terms located near the bottom of the document. 2.. show how you relate the terms to one another (write down to the piece paper) 3. Prepare a short-written justification for your arrangement that explains how the terms are related. Vocabulary terms - Membrane, Permeability ,Phospholipid ,Cholesterol, Glycosylation ,Hydrophobic ,Hydrophilic ,Amphiphilic, Lipid bilayer, Peripheral proteins, Integral proteins, Fluidity, Channel, protein ,Concentration, gradient, Diffusion Facilitated transport Hypertonic Hypotonic Isotonic Osmosis Plasmolysis Passive transport Transport protein Solute...
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown...
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown below? Glycoprotein Man HO- HNo HO OR OH OM o0 wtracedular cell membrane eytesel Integral membrane protein GPI-anchored protein Peripheral membrane protein membrane proteins are bound primarily by electrostatic and hydrogen-bond interactions with the head groups of lipids. Peripheral membrane protein O Integral membrane protein GPI-anchored protein An antiporter and a symporter are examples of: passive diffusion Osecondary active transport O primary active transporters...
Facilitated diffusion: A) transports solute up its concentration gradient. B) transports solute down its concentration gradient. C) does not require a transport protein. D) requires ATP hydrolysis for...
Facilitated diffusion: A) transports solute up its concentration gradient. B) transports solute down its concentration gradient. C) does not require a transport protein. D) requires ATP hydrolysis for transport to occur.
b) Consider the following scenario: You start an experiment with equal concentrations of sodium chloride in...
b) Consider the following scenario: You start an experiment with equal concentrations of sodium chloride in a small tank. You are interested in studying the nature of a transmembrane protein embedded in a lipid bilayer. You insert the membrane, with embedded protein, into the tank, creating two sides, with initially the same concentrations of a solute on both sides (side A and side B). You leave the experiment for several hours and when you return you find that the solutes...
please answer all three or none at all. Thank you. one transporter is Simultaneous transport of...
please answer all three or none at all. Thank you.
one transporter is Simultaneous transport of two molecules across the cell membrane in the same direction by called AV Question 9 (1 point) In carrier protein function kinetics, Km is the solute concentration at which the transport rate is half maximal True False Question 10 (1 point) Transmembrane movement of a substance up a concentration gradient requires facilitated diffusion True False
33) Which of the following is most likely true of a protein that cotransports glucose and...
33) Which of the following is most likely true of a protein that cotransports glucose and sodium ions into the intestinal cells of an animal? A) Sodium and glucose bind to the same site on the cotransporter. B) Transport of glucose against its concentration gradient provides energy for uptake of sodium ions against the electrochemical gradient. C) Sodium ions can be transported whether or not glucose is present outside the cell, but glucose transport requires cotransport of sodium ions. D)...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form water Reduced to form CO2 Oxidized to form CO2 Which of the following describes the equation: FAD + XH2 à FADH2 + X. FAD is reduced to FADH2 It is a coupled reduction – oxidation reaction XH2 is oxidized to X All of the above Which of the following is FALSE about glycolysis? The initial steps of glycolysis requires energy derived from the splitting...
ane Transport - Facilitated Diffusion Side with higher concentration of molecules Transport protein Plasma membrane Facilitated diffusion causes a net movement of molecules down their concentration gradient. mework : Membrane Transport - Active Transport Side with higher concentration of square molecules Transport protein Energy input from the cell Plasma membrane Side with lower concentration of square molecules
Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown below? Glycoprotein Man HO- HNo HO OR OH OM o0 wtracedular cell membrane eytesel Integral membrane protein GPI-anchored protein Peripheral membrane protein membrane proteins are bound primarily by electrostatic and hydrogen-bond interactions with the head groups of lipids. Peripheral membrane protein O Integral membrane protein GPI-anchored protein An antiporter and a symporter are examples of: passive diffusion Osecondary active transport O primary active transporters...
b) Consider the following scenario: You start an experiment with equal concentrations of sodium chloride in a small tank. You are interested in studying the nature of a transmembrane protein embedded in a lipid bilayer. You insert the membrane, with embedded protein, into the tank, creating two sides, with initially the same concentrations of a solute on both sides (side A and side B). You leave the experiment for several hours and when you return you find that the solutes...
please answer all three or none at all. Thank you.
one transporter is Simultaneous transport of two molecules across the cell membrane in the same direction by called AV Question 9 (1 point) In carrier protein function kinetics, Km is the solute concentration at which the transport rate is half maximal True False Question 10 (1 point) Transmembrane movement of a substance up a concentration gradient requires facilitated diffusion True False
33) Which of the following is most likely true of a protein that cotransports glucose and sodium ions into the intestinal cells of an animal? A) Sodium and glucose bind to the same site on the cotransporter. B) Transport of glucose against its concentration gradient provides energy for uptake of sodium ions against the electrochemical gradient. C) Sodium ions can be transported whether or not glucose is present outside the cell, but glucose transport requires cotransport of sodium ions. D)...
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