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Why are detergents required to extract integral membrane proteins, but not peripheral membrane proteins?
Extrinsic or peripheral proteins are held loosely in the membrane , their removal is easy. They can be Removed simply by changing the pH. Intrinsic proteins are deeply embedded in...
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When a star explodes, does their energy only reach Earth by the light that they transmit? How much energy does one star give off when it explodes and how much of that energy hits Earth? What happens to that energy?
The energy from a star exploding reaches earth in the form of all kinds of electromagnetic radiation, from radio to gamma rays. A supernova can give off as much...
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How do nuclear reactors utilize chain reactions?
During a CONTROLLED chain reaction in a reactor, the energy released during the fission of, say, Uranium, is used to heat up water, vaporize it, and use it (high pressure...
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Why are all enzymes are proteins, but not all proteins are enzymes?
Proteins are biological macromolecules that are diverse in shape size and function. Enzymes are molecules that facilitate reactions in a living cell without undergoing too much change i.e....
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What is the difference between channel proteins and carrier proteins?
Channel are fixed where as carrier proteins frequently flip between two shapes.
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What is the function of vesicles in the synthesis of proteins and the release of those proteins outside the cell?
Proteins produced by ribosomes on the rough endoplasmic reticulum (RER) either embed in to membranes (integral membrane proteins) or enter the lumen of the RER. The latter proteins can then...
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If the main purpose of cellular respiration is to make ATP, why do glycolysis and the Krebs Cycle only make 4 total ATP by the time glucose is converted to carbon dioxide?
The chemical processes of breaking down glucose into $CO_2$ and $H_2O$ is only able to directly generate 4 ATP - 2 in the glycolysis chain and 2 in the Krebs...
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We only have 5 known senses. What if we have other senses but are unable to utilize them because we use less than 1/5th of our brain?
"It turns out though, that we use virtually every part of the brain, and that [most of] the brain is active almost all the time," Gordon adds. "Let's put it...
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It takes 1 molecule of glucose to make 30 molecules of ATP. How many molecules of glucose are needed to make 6000 molecules of ATP in aerobic respiration?
I think the molecules of $"ATP"$ produced is closer to $36$, but anyway... $color(white)(---)$ If $"1 glucose"$ gives us $"30 ATP"$ molecules, then we can set up the relationships as...
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How do we utilize Lewis structure in simple species such as nitrate ion?
Let's take the nitrate, anion, $NO_3^(-)$. Nitrogen comes from Group 15, and has five , oxygen comes from Group 16, and has six . And thus we have to distribute...
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