Passive transport only works if there is a force acting to push/pull a particle across a...
Passive transport only works if there is a force acting to push/pull a particle across a membrane?
Homework Answers
No, passive transport does not require a force acting to push/pull a particle across a membrane. Passive transport involves the movement of particles from a region of their higher concentration to a region of their lower concentration. Therefore, no energy is required for the movement of particles, as they are moving down a concentration gradient.
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Passive transport only works if there is a force acting
to push/pull a particle across a...
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of...
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of its transport? Choose one: A. the charge difference across the membrane B. whether the cell is metabolically active or not C. the amount of energy available to fuel the transport process D. the concentrations of glucose on either side of the membrane
11. Discuss/explain/draw what both active and passive transport are and the details of those transport processes...
11. Discuss/explain/draw what both active and passive transport are and the details of those transport processes in the cell. Include the types of active (3) and passive (3) transport methods and how materials move across the cell membrane including details of what is moved and how. (10 pts)
What is the difference between passive and active transport? Provide an example of a transport protein...
What is the difference between passive and active transport? Provide an example of a transport protein involved in the passive transport of K+, and one protein involved in the active transport of K+ across the plasma membrane and explain the direction of the flow of K+ in each case (from inside the cell to the outside, or from the outside of the cell to the inside). Also explain for each of your examples if the transport is uniport, symport, or...
For a substance crossing a cell membrane, the chemical driving force Select one: a. depends only...
For a substance crossing a cell membrane, the chemical driving force Select one: a. depends only on the concentration gradient if the substance is uncharged, but also depends on the electrical force if the substance is an ion. b. is the force that pushes molecules across the membrane, but only if the substance is actively transported. c. depends only on the concentration gradient, regardless of whether or not the substance is an ion d. is the total driving force on...
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...
The force acting on a particle varies as shown in the figure.
The force acting on a particle varies as shown in the figure. (The x axis is marked in increments of 0.25 m.) Find the work done by the force on the particle as it moves across the following distances. (a) from x = 0.00 m to x = 2.00 m (b) from x = 2.00 m to x = 3.00 (c) from x = 0.00 m to x = 3.00
Why is it easier to pull a desk across a room than to push it from...
Why is it easier to pull a desk across a room than to push it from behind? (Assume the level of the top of the desk is lower than where your hands naturally fall).
26- Explain why it is right to argue that the transport of glucose across the apical...
26- Explain why it is right to argue that the transport of glucose across the apical membrane of 27- Base on the role of the liver as a regulator of blood glucose, explain the physiological importance 28-Some cells have aquaporins (channels that facilitate the flow of water molecules through the intestinal epithelial cells is ultimately powered by ATP hydrolysis. of its glucose transporter being a passive transporter. plasma membrane). For these cells, what regulates the rate and direction of water...
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively...
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively or passively. This activity will help you determine whether transport mech! Sort the following types of membrane transport mechanisms into active or passive processes. View Available Hint(s) Reset Help Endocytonio Dumoals Secondary active transport Exocvent Facilitated dimson Simple damunten Primary active transport Active Process Passive Process Submit Type here to search API Spr google.com 1 Chapter 1 - 3 Flix Activity: Membrane Transport High...
A correct distinction between facilitated diffusion and active transport of a substance across a biological membrane...
A correct distinction between facilitated diffusion and active transport of a substance across a biological membrane is that . . . A. active transport requires conformational changes in the transport protein associated with the transport process, and facillitated diffusion does not. B. active transport requires integral membrane protein to carry out the transport, and facillitated diffusion does not. C. facilitated diffusion depends on an existing energy gradient acting on the transported substance, while active transport makes such a gradient. D....
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of its transport? Choose one: A. the charge difference across the membrane B. whether the cell is metabolically active or not C. the amount of energy available to fuel the transport process D. the concentrations of glucose on either side of the membrane
11. Discuss/explain/draw what both active and passive transport are and the details of those transport processes in the cell. Include the types of active (3) and passive (3) transport methods and how materials move across the cell membrane including details of what is moved and how. (10 pts)
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...
26- Explain why it is right to argue that the transport of glucose across the apical membrane of 27- Base on the role of the liver as a regulator of blood glucose, explain the physiological importance 28-Some cells have aquaporins (channels that facilitate the flow of water molecules through the intestinal epithelial cells is ultimately powered by ATP hydrolysis. of its glucose transporter being a passive transporter. plasma membrane). For these cells, what regulates the rate and direction of water...
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively or passively. This activity will help you determine whether transport mech! Sort the following types of membrane transport mechanisms into active or passive processes. View Available Hint(s) Reset Help Endocytonio Dumoals Secondary active transport Exocvent Facilitated dimson Simple damunten Primary active transport Active Process Passive Process Submit Type here to search API Spr google.com 1 Chapter 1 - 3 Flix Activity: Membrane Transport High...
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