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Cholesterol

Cholesterol is an organic chemical substance and is a steroid of fat. High levels of this steroid fat can cause real problems with humans leading to heart and circularity problems as the fat builds up layers in vital veins thereby restricting blood flow to vital organs such as the heart and can n some cases cause heart failure. On the other hand humans require this essential and important steroid fat to keep us healthy, as it responsible for creating and maintaining membranes within our bodies, the trick is to get the intake balance correct. Cholesterol was first discovered in 1769 in the gallstones.

871 Questions

Is it true or false HOLS are destructive forms of cholesterol that form atherosclerotic plaques on arterial walls?

False. High-Density Lipoproteins (HDL) are often referred to as "good" cholesterol because they help remove other forms of cholesterol, including Low-Density Lipoproteins (LDL), from the bloodstream and reduce the risk of atherosclerotic plaques forming on arterial walls. HDL plays a protective role in heart health, unlike LDL, which is associated with plaque buildup.

How could cholesterol levels be linked to health events such as strokes and heart attacks?

Cholesterol levels are linked to health events like strokes and heart attacks because high levels of low-density lipoprotein (LDL) cholesterol can lead to the buildup of plaque in the arteries, a condition known as atherosclerosis. This plaque narrows and hardens the arteries, reducing blood flow and increasing the risk of clots. If a clot blocks blood flow to the heart, it can cause a heart attack; if it blocks blood flow to the brain, it can result in a stroke. Maintaining healthy cholesterol levels is crucial for cardiovascular health and reducing these risks.

Where is cholesterol found in the bilayer?

Cholesterol is found interspersed within the phospholipid bilayer of cell membranes. It fits between the phospholipid molecules, where it helps to stabilize membrane fluidity, making the membrane less permeable to small water-soluble molecules. This positioning allows cholesterol to maintain membrane integrity across varying temperatures, contributing to the overall functionality of the cell membrane.

What has more cholesterol shrimp or octopus?

Shrimp generally contains more cholesterol than octopus. On average, a 3-ounce serving of shrimp has about 166 milligrams of cholesterol, while the same serving size of octopus contains approximately 70 milligrams. However, both seafood options can be part of a healthy diet when consumed in moderation.

Is soy bean oil good for cholesterol?

Soybean oil can be beneficial for cholesterol levels because it is high in polyunsaturated fats, particularly omega-6 fatty acids, which can help lower LDL (bad) cholesterol when used in moderation. Additionally, it contains phytosterols that may also contribute to reducing cholesterol absorption in the body. However, it is important to balance soybean oil intake with other healthy fats, such as those from nuts and olive oil, for optimal heart health. Always consult with a healthcare provider for personalized dietary advice.

Is buttermilk increases cholesterol?

No, buttermilk does not increase cholesterol levels. In fact, it is relatively low in fat and cholesterol compared to full-fat dairy products. The process of making buttermilk removes most of the fat content, making it a heart-healthy option. It can actually help lower LDL (bad) cholesterol levels while promoting overall cardiovascular health due to its low-fat content and probiotic benefits.

To learn more about how buttermilk supports heart health and overall digestion, explore our full guide here:

Curd vs Buttermilk – Which Is Better for Digestion and Gut Health | All-Cures

What foods help to lower or raise an INR reading?

Foods that are high in vitamin K, such as leafy green vegetables (e.g. spinach, kale, broccoli), can raise an INR reading by counteracting the effects of warfarin, a common blood thinner. On the other hand, foods high in omega-3 fatty acids, such as fatty fish (e.g. salmon, mackerel, sardines), can help lower an INR reading by promoting healthy blood circulation and reducing inflammation. It is important for individuals on warfarin therapy to maintain a consistent intake of vitamin K-rich foods and to consult with their healthcare provider before making any significant dietary changes.

What Is The Normal Level Of Cholesterol?

"The American Heart Association (AHA) says that for people with normal cholesterol levels, keeping total dietary cholesterol intake to less than 300 milligrams daily is adequate. For folks with high LDL, the AHA recommends keeping cholesterol intake under 200 milligrams a day" SOURCE: http://www.webmd.com/cholesterol-management/features/cholesterol-numbers-explained

What group of macromolecules does cholesterol belong?

Cholesterol molecules are considered to be lipids since they are a class of steroids which are lipids. Cholesterol is hydrophobic due to its hydrocarbon composition; this is a commonality within lipids.

What does cholesterol look like in structure?

Cholesterol is a lipid molecule that has a characteristic structure consisting of a fused four-ring hydrocarbon structure. It also has a hydrocarbon tail and a hydroxyl group. This unique structure allows cholesterol to interact with cell membranes and play a role in various cellular processes.

Does zinc lower cholesterol?

Zinc itself does not have a direct impact on lowering cholesterol levels. However, zinc is important for overall health, including supporting immune function and metabolism. Eating a balanced diet, exercising regularly, and managing stress are more effective ways to improve cholesterol levels.

What do cholesterol and oleic acid have in common?

They belong to (two different groups of) the 'fats' compounds:

hydrophobic, slippery, not mixable with water.

Both have ONE double C=C bond (mono-unsaturated), in chemical name recognisable as -en-

Cholesterol: C27H46O is a polycyclic hydrocarbon mono-unsaturated alcohol

10R,​13R-​dimethyl-​17-​(6-​methylheptan-​2-​yl)-​​dodecahydro-​1-​cyclopentaphenanthren-​3-​ol

Oleic acid: C18H34O2 , is a linear mono-unsaturatedcarboxylic acid

cis-9-Octadecenoic acid.

Cholesterol is a lipid?

The answer to your question, is cholesterol a lipid is YES. The term lipids describes an entire class of fats and fat-like substances in the blood. Cholesterol is a type of lipid. Where blood is watery lipids can be identified by their waxy or oily consistency. Cholesterol is a fat-like substance with a waxy consistency that is produced in the livers of humans and other animals. Lipids are fats, when a food is high in cholesterol it simply means that the food is high in a waxy substance. This waxy substance is classified as a lipid. Having to much of this waxy substance in the body can have serious health problems including heart disease. All cholesterol is a type of lipid but not all lipids are a type of cholesterol.

Are low cholesterol levels and high cholesterol levels as bad as each other?

Both low and high cholesterol levels can be harmful to one's health. Low cholesterol levels can increase the risk of certain health conditions such as hemorrhagic stroke, while high cholesterol levels can increase the risk of conditions like heart disease and stroke. It is important to maintain a balance and follow a healthy lifestyle to keep cholesterol levels in check.

Out of LDL and HDL cholesterol, which is considered "bad" cholesterol?

HDL is considered bad cholesterol. Though all cholesterol is considered good in a way. The best thing to do is go see your doctor about your cholesterol. He can help you more than anyone else.

What chemical elements make cholesterol?

The molecular formula of Cholesterol is:
C(27)H(46)O

Here are diagrams of the molecule from wikipedia.




With the red at the end being the Oxygen/Alcohol (OH) group.

So, the elements that make it up would be:

Carbon, Hydrogen, and Oxygen.

Cholesterol is found in what?

Only in Foods that come from Animalss (its animals)

Does cholesterol contain amino acids?

No, cholesterol does not contain amino acids. Cholesterol is a lipid molecule composed of carbon, hydrogen, and oxygen atoms, but it does not contain the building blocks of proteins known as amino acids.

Is cholesterol a monomer?

Yes, it is {a trick Question}. Chemically, it does not form chains nor is it involved with chain formation; yet Biochemically it, and it's dozens of derivatives, are so fully involved with Cellular metabolism that "monomer" does not describe its many activities.

How many alcohol groups are there in cholesterol?

YES Cholesterol is an Alcohol
  • The polar hydroxyl group at the end of a cholesterol molecule is made of two atoms. These two molecules make cholesterol an alcohol. Ethanol, the alcoholic component of alcoholic beverages, has this same structure at the end of its molecule..,,,

By: Farman marwat kpk, PAKISTAN

MSC CHEMISTRY

GOMAL UNIVERSITY

What are synthesized from cholesterol?

Cholesterol is the precursor of bile acid, steroid hormones and vitamin D.

Does cholesterol float free in the bloodstream?

No, cholesterol does not float freely in the bloodstream. It is transported in the blood attached to proteins called lipoproteins, such as LDL and HDL. These lipoproteins help transport cholesterol to cells throughout the body.