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lions [1.4K]
2 years ago
7

HELP!! 50 POINTS! Describe what oxidative stress is. Provide three examples of how our bodies can be exposed to oxidative stress

. Also, describe the role antioxidants play in regard to oxidative stress. Be sure to include in your answer a brief explanation of what free radicals are.
Health
2 answers:
natta225 [31]2 years ago
8 0
Oxidative stress is an imbalance between free radicals and antioxidants. Free radicals are molecules that contain oxygen with an uneven number of electrons. Antioxidants are responsible for giving the free radical an electron to stabilize it and make it become less reactive. Our bodies can be exposed to oxidative stress through radiation from the ultraviolet light. It can be exposed through cigarette smoke. As well as being exposed through pollution in the air and water.
mojhsa [17]2 years ago
6 0
Oxidative stress is an imbalance between free radicals and antioxidants in your body. Free radicals are oxygen-containing molecules with an uneven number of electrons. The uneven number allows them to easily react with other molecules. Free radicals can cause large chain chemical reactions in your body because they react so easily with other molecules. These reactions are called oxidation. They can be beneficial or harmful.

Antioxidants are molecules that can donate an electron to a free radical without making themselves unstable. This causes the free radical to stabilize and become less reactive.

Read on to learn how oxidative stress affects the body and how to manage and prevent this imbalance.
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Answer:

D

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A is correct because a risk could be good or bad. For example, entering the lottery is a risk because you could lose a lot of money but a small group of people make a lot of money from winning the lottery.

B is correct because when someone enters the lottery, they do not know their outcome until later.

C is correct because speeding is risky because it is easier to loose control of the car when driving fast.

5 0
3 years ago
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5 0
3 years ago
Acoin is weighted so that heads is twice as likely to appear as tails ,find p(t) and p(h) ?​
Alexeev081 [22]

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5 0
3 years ago
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Hi,

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6 0
3 years ago
Read 2 more answers
A kid has the ability to write with his left hand but not his right , but he's able to use his right for other tasks because tha
mariarad [96]

Answer: No. He is not ambidextrous.

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Being ambidextrous means that the kid should be able to use both of his hands and that there should not be a preference for one at the expense of the other one. In this case, the kid should not view a particular hand as the stronger hand.

With regards to the question, we are informed that the kid has the ability to write with his left hand but not his right but that he's able to use his right for other tasks because that's his strong hand. This shows that he is not ambidextrous as he can not write with his right hand. It shows the hands aren't being used equally.

4 0
2 years ago
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