Answer:
The correct ansqwer is- Vitamin D
Explanation:
Vitamin D is the vitamin that can be synthesized by the human body itself therefore it is not an essential vitamin for human beings. Human skin is the part that helps in making this vitamin in humans.
The natural form of vitamin D is vitamin D3 which is formed by the sunlight exposure on the skin. When we expose our skin in the sunlight the UV radiation penetrated our skin and converts provitamin D3 into pre-vitamin D3 then this previtamin can be isomerized into the natural form of vitamin D Which is vitamin D3. So the right answer is vitamin D.
Answer:
A surface wave is a wave that moves along the interface of two different materials, like air and water.
Explanation:
Mitochondria are specilized structures unique to the cells of animals, plants and fungi, they serve as batteries for parts of the cell
Ribosomes are the things that process proteins in the cell for the body
Cytoplasm is the semi fluid substance of a cell that is external to the nuclear membrane and internal to the cellular membrane
Cells are a fundamental structural unit of living matter
Tissue makes the difference between cells and complete organs, they hold the shape of the cell
An organelle is a tiny cellular structure that performs specific functions within a cell.
An organ is a group of tissues with similar functions
Answer:
Protection
Explanation:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
The three grains are rice, wheat, and corn
Rice is the main grain used in places such as Asia ans SEA, corn is mostly used in the Americas, while wheat is mostly found in European countries.
