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What is the name of cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration?
active transport
What does Chemiosmosis involves .?
The movement of hydrogen ions across a mitochondrial membrane.
What is chemiosis?
Chemiosis, also known as chemiosmosis, is a process that occurs during cellular respiration and photosynthesis. It involves the movement of ions across a membrane to generate ATP, the energy currency of the cell. Chemiosis relies on an electrochemical gradient to drive the production of ATP.
What is Chemiosmosis and what is its role in cellular respiration?
movement of ions across a selectively-permeable membrane, down their electrochemical gradient. More specifically, it relates to the generation of ATP by the movement of hydrogen ions across a membrane during cellular respiration
Is the movement of molecules across a membrane down the concentration gradient a passive or active process?
The movement of molecules across a membrane down the concentration gradient is a passive process.
What process is responsible for transport of oxygen and carbon dioxide across the alveolar membrane?
The process responsible for the transport of oxygen and carbon dioxide across the alveolar membrane is called diffusion. Oxygen diffuses from the alveoli into the blood, while carbon dioxide diffuses from the blood into the alveoli. This process is driven by differences in partial pressures of these gases on either side of the membrane.
What is the name of cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration?
active transport
Where do electrons moving across the inner membrane come from?
The electrons moving across the inner membrane in mitochondria come from the oxidation of nutrients, such as glucose, during the process of cellular respiration. These electrons pass through the electron transport chain, generating a gradient of protons across the inner membrane that is used to produce ATP through a process called oxidative phosphorylation.
What does Chemiosmosis involves .?
The movement of hydrogen ions across a mitochondrial membrane.
Which process is responsible for involving an antiport carrier moving solutes in opposite directions across a cell membrane?
The process responsible for involving an antiport carrier moving solutes in opposite directions across a cell membrane is called countertransport. This process utilizes the energy stored in the electrochemical gradient of one solute to drive the movement of another solute in the opposite direction.
What is chemiosis?
Chemiosis, also known as chemiosmosis, is a process that occurs during cellular respiration and photosynthesis. It involves the movement of ions across a membrane to generate ATP, the energy currency of the cell. Chemiosis relies on an electrochemical gradient to drive the production of ATP.
How does the cell use the charge differences that build up across the inner mitochondrial membrane during cellular respiration?
The charge differences across the inner mitochondrial membrane are used to generate ATP through a process called chemiosmosis. Protons are pumped across the membrane, creating a proton gradient. As protons flow back across the membrane through ATP synthase, ATP is produced. This process is essential for providing energy to the cell.
Which process requires cellular energy to move molecules across the cell membrane from a region of lower concentrations to a region of higher concentration?
You are describing active diffusion.
What process moves oxygen across the cell membrane?
The process that moves oxygen across the cell membrane is called simple diffusion. Oxygen molecules move from an area of high concentration to an area of low concentration without the need for energy input. This process helps maintain the balance of oxygen inside and outside the cell for cellular respiration.
Which process requires energy to bring molecules across the cell membrane?
Active transport requires energy to move molecules across the cell membrane against their concentration gradient. This process is carried out by specific proteins called pumps that utilize cellular energy in the form of ATP to transport molecules.
What is Chemiosmosis and what is its role in cellular respiration?
movement of ions across a selectively-permeable membrane, down their electrochemical gradient. More specifically, it relates to the generation of ATP by the movement of hydrogen ions across a membrane during cellular respiration
What is the process of forcing materials across a membrane?
Osmosis.
