Vitamin <u>A</u> is necessary for vision, bone growth, and maintenance of epithelial cells.
We can define vitamins as micronutrients that perform various important functions in the body. Vitamins cannot be synthesized by the body of a person and hence are derived from the diet of a person.
Vitamin A is present in many foods and it is a fat-soluble vitamin. Vitamin A helps the body in various functions such as improving vision, helping the immune system, growth of bones, maintenance of cells etc.
Certain foods contain carotenoids in them. A person's body has the ability to convert these carotenoids into Vitamin A which is then used by the body for various functions. Some preformed sources of Vitamin A include dairy products and eggs.
To learn more about vitamin A, click here:
brainly.com/question/9179407
#SPJ4
Transcription from DNA<span> to mRNA occurs in the ___ of the eukaryotes. nucleus. Translation. a particular segment of </span>DNA<span> is copied </span>into RNA<span> by the enzyme </span>RNA<span> polymerase. Each tRNA binds to a specific sequence of 3 bases </span>called a<span> codon. </span>
Well, go find a slug and find out. Slugs, and snails contain a ton of water! Therefor when you sprinkle salt on them within a matter of minutes it dehydrates them and kills them, but, please don't do it. It's very cruel.<span />
Explanation:
The factors that affects the rate of chemical reactions are;
- Nature of reactants
- Concentration of reactants or pressure
- Temperature
- Presence of catalyst
- Sunlight
In our body, the nature of reactants is very important. A food substance in solid form undergoes slow digestive process because it has little surface area exposure for the action of digestive chemicals. Most solid food are usually chewed in the mouth before digesting them to increase their surface area.
The increasing order of food digestion is;
lumps to granules to powder and to liquids.