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rosijanka [135]
3 years ago
5

Which provides the best example of perseverance ?

Biology
1 answer:
Masteriza [31]3 years ago
4 0
School is an example like you have a load of work and its hard and u keep going cuz u know it will get you someone good adn another is running a marothon even though its hard you just keep going. hope this helps and please rate below :)
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Which of the following fat-soluble vitamins is an antioxidant necessary for synthesizing visual pigments, can be found in butter
liubo4ka [24]

The correct answer is B. Vitamin A.

Vitamin A (retinol, retinoic acid) is a fat-soluble vitamin important for vision, growth, cell division, reproduction and immunity. It also has antioxidant properties.

Vitamin A is present in many foods, such as spinach, dairy products and liver. Other sources are foods rich in beta-carotene, such as leafy vegetables, carrots and cantaloupe. Your body transforms beta-carotene into vitamin A.

There are two dofferent types of vitamin A. The first type, preformed vitamin A, it is found in beef, poultry, fish and dairy products. The second type, provitamin A, is found in fruits,vegetables and other products of vegetable origin. The most common type of provitamin A present in foods and dietary supplements is beta-carotene.

Not consuming enough vitamin A, can cause diseases (which can be avioded with a good diet). Vitamin A plays a very important role in vision. On the one hand, it is essential for the production of the pigment consumed by photoreceptors responsible for vision in darkness. Therefore, low levels of vitamin A lead to night blindness.

4 0
3 years ago
Read 2 more answers
Please please help me please
mojhsa [17]
It’s not B or C. I want to say A but I’m not 100% sure
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3 years ago
Saturated fatty acids are different to unsaturated fatty acids because they?
saul85 [17]

Saturated fatty acids are different to unsaturated fatty acids because they have no C=C double bonds.

<h3>What are the differences between saturated and unsaturated fatty acids?</h3>
  • Saturated fatty acids do not have C=C double bonds, while in unsaturated fatty acids there is at least one C=C double bond in the fatty acid chain.
  • Saturated fats are usually solid at room temperature and are derived from animal sources, whereas unsaturated fats are usually liquid at room temperature and are from plant sources.
  • One must reduce the amount of saturated fat in their diet and consume more unsaturated fats like olives, seeds and nuts.
  • Unsaturated fats can be monounsaturated (contains only C=C double bond) or polyunsaturated (contains two or more C=C double bonds).

Learn more about fats here:

brainly.com/question/24186437

#SPJ4

4 0
2 years ago
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