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Active transport requires cells to spend energy, usually in the form of ATP

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15y ago

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Is active or passive transport involved?

In active transport the ATP is used to pump molecules up the concentration gradient. Transport of molecules occurs from a low concentration of solute to high concentration of solute and requires cellular energy. While passive transport involves carriers, channels, or direct diffusion through a membrane.


Which process in the water cycle requires the direct input of energy?

Evaporation.


Which transport process does the cell use to direct the contents of vesicles out of the cell membranes?

Exocytosis


Which transport process does the cell used to direct the contents of the vesicles out of the cell membrane?

Exocytosis


Which transport process does the cell use to direct contents of vesicles' out of the cell membrane?

Exocytosis


Which transport process does the cell use to direct the contents vesicles out of the cell membrane?

Exocytosis


Which transport process does the cell use to direct the contents of vesicles out of the cell membran?

Exocytosis


What is the most direct source of energy for co-transport?

The most direct source of energy for co-transport is typically the movement of ions down their electrochemical gradient. This gradient is generated by active transport processes like ATP pumps. The energy stored in this gradient can be used to drive the co-transport of other molecules against their concentration gradient.


Does active transport involve respiration and fermentation?

The correct question is: Does respiration and fermentation involve active transport? Active transport is a fundamental process that is pertinent to many other cellular processes. In nature, matter wants to equilibrate, gases, molecules, and ions all want to homogenize. Active transport opposes this; it is the movement of ions, gases, and molecules from areas of low concentration to areas of high concentration. Active transport is the reason life has been described as seemingly violating the 2nd Law of Thermodynamics ( this is not actually the case) where the change in entropy of a system must increase after any process. In cellular respiration a chain of proteins is reduced by molecules made during glycolysis and the citric acid cycle. The electron that is handed off at the top of this electron transport chain of proteins is electrically attracted to the oxygen molecule housed in a protein at the end of the chain. The entire purpose of this flow of electrons is to power the active transport of protons from the cytoplasm to the inner mitochondrial membrane (or in the case of prokaryotes, from the exterior of the cell to the interior of the cell). The energy of this proton concentration gradient is then stored in molecules called ATP as the protons flow down the gradient and through an enzyme called ATP-synthase. Fermentation occurs in the absence of oxygen as the final electron acceptor of the electron transport chain. While fermentation does not involve the active transport of protons like respiration it does require the active transport of glucose. A higher concentration of glucose must be maintained within the confines of a cell than in the cells external environment. This is especially the case with bacteria and other prokaryotes that are not privileged like the intestinal cells of animals which our regularly surrounded by glucose. If you dig deep you will find that most cellular processes involve active transport in some direct or indirect way.


Where to find your serial number and activation key.?

On the packaging or you can contact ADOBE direct. If you have the newest legal version then they will issue a code to active if there is an issue. This system now requires a monthly subscription rather than a direct purchase


A transitive verb with a direct object is in the what of voice?

A transitive verb with a direct object is in the active voice.


Is the active voice direct?

yes