In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.
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What is cell membrane?</h3>
- The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
- It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space).
- The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain proper membrane fluidity at different temperatures.
- Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment.
- The integrated glycolipids of the outer lipid layer perform a similar function.
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Answer:
Each FADH2 yields about 1.5 ATP via oxidative phosphorylation.
Explanation:
Most of the ATP molecules are produced by oxidative phosphorylation, not by substrate-level phosphorylation. During glycolysis, 2 ATP molecules per glucose are produced by substrate-level phosphorylation. Similarly, Kreb's cycle also yields 2 ATP per glucose by substrate-level phosphorylation.
For each pair of electrons transferred to O2 from FADH2 via electron transport chain, 4 and 2 protons are pumped from matrix towards the intermembrane space by complex III and complex IV respectively. It generates the proton concentration gradient required to drive the synthesis of 1.5 ATP molecules. Since oxidation of FADH2 is coupled to the phosphorylation of ADP to form ATP, the process is called oxidative phosphorylation.
If thousands of glucose molecules were bonded together with equal numbers of sucrose molecules, the resulting substance could be described as a polysaccharide. They are <span>polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages.</span>
Answer:
Positive feedback is most like adding wood to a burning fire to increase the heat. Positive feedback is a regenerative feedback process in which a segment of the output is combined with the input for the output to increase more.
Explanation:
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