Answer:
A. By using your body cells to make new viruses
Answer:
Fraternal - 2 egg cells
Identical - split of zygote
Explanation:
Fraternal twins are likely to be formed by 2 different egg cells being simultaneously sent by the ovaries and both of them being fertilized by the sperm cells. They are non-identical because the DNA of the 2 egg cells and the 2 sperm cells are different.
Identical twins are formed after a single egg cell has been fertilized by a single sperm cell, then split after the first division. This results in 2 genetically identical embryos because they were formed from the same fertilized egg.
<h2>
Answer: Use of steroids can damage the normal productions of hormones in the body .</h2>
- Sometimes changes can be reversed , for e.g. : decreased sperm production , or decreased function of the testes.
Explanation: What systems of the body are affected by steroids ?
- Those are cognitive , memory , behavioural , brain development and reproduction system.
To know more about steroid hormone,
brainly.com/question/2758475
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D all of the above because the body burns calories at sleep and working like running.
