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The electron transport chain (ETC) occurs in the inner mitochondrial membrane. It is comprised of a series of protein complexes embedded in the membrane, through which electrons are passed along to generate ATP.
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Cellular respiration occurs in three main steps. The first step takes place in the cytoplasm of the cell. The last two steps take place in the mitochondria(or if cellular respiration is taking place inside of a plant then the last two steps would take place in the chloroplasts) of the cell. Specifically, the second step occurs in the matrix of the mitochondria and the last step occurs along the inner membrane of the mitochondria, or the cristae.
The electron transport chain (ETC) occurs in the inner mitochondrial membrane. It is comprised of a series of protein complexes embedded in the membrane, through which electrons are passed along to generate ATP.
homozygous
mitochondria is absent in bacteria because it is a prokaryotic
They can move laterally along the plane of a membrane
Cellular respiration occurs in three main steps. The first step takes place in the cytoplasm of the cell. The last two steps take place in the mitochondria(or if cellular respiration is taking place inside of a plant then the last two steps would take place in the chloroplasts) of the cell. Specifically, the second step occurs in the matrix of the mitochondria and the last step occurs along the inner membrane of the mitochondria, or the cristae.
The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane bound carrier proteins is called facilitated diffusion. Facilitated transport is passive and does not directly require chemical energy from ATP.
Along the cellular membrane.
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Vacuoles are involved in the process of ingestion. Pockets can form along the cell membrane and can pinch in to form vacuoles. The contents of the vacuoles can eventually by digested by lysosomes.
The electron transport chain converts energy stored in hydrogen ions and various other substances formed in early cellular respiration to produce high energy ATP in mitochondria. Mitochondria contain both an inner and an outer membrane, and it is along the inner membrane that the actual reactions of the chain occur. Inside the inner membrane a surplus of hydrogen ions is created that produces a concentration gradient across the membrane to the intermembrane space. This gradient causes a force that pushes hydrogen ions out of the innermost matrix and into the intermembrane space. This exchange occurs through special proteins called ATP synthase that convert low energy ADP into high energy ATP whenever a hydrogen ion is sent through one. When all is said and done, the excess electrons and hydrogen are bonded to oxygen to form water molecules.
The electron transport chain (ETC) is conducted in the mitochondria. The four complexes of the ETC, along with the enzyme that produces ATP (known as Complex V, ATP synthase, or F0F1-ATPase), are located in the inner mitochondrial membrane.
neurotransmitters