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Antioxidants act against free radicals by donating electrons, which stabilizes these highly reactive molecules and prevents them from causing cellular damage. Free radicals can lead to oxidative stress, contributing to various diseases and aging. By neutralizing free radicals, antioxidants help maintain cellular integrity and promote overall health. Common antioxidants include vitamins C and E, as well as compounds like flavonoids and carotenoids.
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Which disinfectant does not act by disrupting the plasma membrane?
Hydrogen peroxide is a disinfectant that does not primarily act by disrupting the plasma membrane. Instead, it exerts its antimicrobial effects by generating free radicals that damage intracellular components and disrupt cellular function.
Why do amino acids act as free radical scavengers and what is the mechanism?
Amino acids act as free radical scavengers due to their ability to donate hydrogen atoms to neutralize and stabilize free radicals by forming a stable radical intermediate. This mechanism involves the amino acid donating a hydrogen atom to the free radical, forming a new radical intermediate which is less reactive and no longer causes cellular damage.
Does selenium act as an antioxidant?
Yes, selenium is an essential mineral that functions as an antioxidant in the body. It helps protect cells from damage caused by free radicals and supports the immune system. Consuming adequate amounts of selenium through diet or supplements is important for overall health.
Vitamin e serves as?
Vitamin E serves as an antioxidant that helps protect cells from damage caused by free radicals. It also supports immune function and skin health, and may help with heart health by preventing the oxidation of LDL cholesterol.
Plant adaptations include the development of water-resistant a.chlorophyll b.spores c.binomial nomenclature d.carotenoids?
d. carotenoids Carotenoids are a type of pigment found in plants that can help provide protection against excess light and act as antioxidants. They can also play a role in attracting pollinators or dispersers.
What are antioxidants?
According to the American Heritage Dictionary an antioxidant is a molecule that inhibits oxidation, which produces free radicals, which damages or kills cells, which are the building blocks of body. Antioxidants neutralize free radicals by giving them one of their own electrons. The antioxidant molecules don't become free radicals themselves by losing an electron because they are stable in either form (oxidized or reduced). They act as scavengers, helping to prevent cell and tissue damage that could lead to disease. Your cells produce the antioxidant enzymes glutathione, catalase, superoxide dismutase (SOD), and some others which neutralize free radicals naturally in the cell, but due to oxidative stress, your body may not be able to produce enough of these enzymes, especially as you age. Vitamins C and E, carotenoids and selenium are antioxidants.
How can antioxidant act as antiaging agent?
Antioxidants = Anti AgingInside your body, an army of antioxidants is protecting you from the forces of aging and disease. That's why we're huge fans of these stellar nutrients and how you can get more on your side.
What are vitamins used for in the human body?
Vitamins have differenct functions. They regulate the biochemical reactions(metabolism),helps in bones,tooth and blood cells formation,act as antioxidants to kill free radicals(keeps you young!),boosting immunity, preventing from cancer etc..
What is A carotenoid is a yellow-orange pigment that absorbs light.?
Carotenoids are a group of yellow-orange pigments found in fruits and vegetables that help plants absorb light for photosynthesis. They also act as antioxidants in the human body, helping to protect cells from damage caused by free radicals. Some common carotenoids include beta-carotene, lutein, and lycopene.
Why was Abraham Lincoln against the civil rights act?
We are free atlast
What is the difference between a reducing agent and an antioxidant?
antioxidants are chemicals added to some thing to prevent or slow down oxidation of that something. reducing agents are commonly used as antioxidant additives. they work because they will get oxidized easier then the compound their added to. there are other ways to prevent oxidation besides using reducers.
Which disinfectant does not act by disrupting the plasma membrane?
Hydrogen peroxide is a disinfectant that does not primarily act by disrupting the plasma membrane. Instead, it exerts its antimicrobial effects by generating free radicals that damage intracellular components and disrupt cellular function.
Are antioxidants vitamins?
Vitamin C & E act as a anti oxidants. Vitamin C occurs naturally in citrus fruits, peppers, leafy greens, melons and berries. Natural vitamin E, also known as d-alpha tocopopherol, offers powerful antioxidant protection. Nuts, seeds, vegetable oils, wheat germ, apricots and fortified cereals are most reliable dietary sources of vitamin E
While a number of compounds can act as antioxidants the major cellular antioxidant in the body is?
glutathione
Did the Russian radicals in 1918 violate the sedition act?
In 1918, the Russian radicals, particularly the Bolsheviks, were not subject to the U.S. Sedition Act, which was enacted in 1918 to suppress dissent against the U.S. government during World War I. The act primarily targeted American citizens and residents, focusing on speech and actions that criticized the U.S. government or military. The Bolsheviks were involved in a domestic revolution in Russia, not directly violating U.S. laws. Therefore, while their actions might have been seen as subversive or radical from a U.S. perspective, they did not violate the Sedition Act itself.
Why do amino acids act as free radical scavengers and what is the mechanism?
Amino acids act as free radical scavengers due to their ability to donate hydrogen atoms to neutralize and stabilize free radicals by forming a stable radical intermediate. This mechanism involves the amino acid donating a hydrogen atom to the free radical, forming a new radical intermediate which is less reactive and no longer causes cellular damage.
The main function of vitamin E in the body is to act as?
antioxidant
