4 because osmosis does not require energy
Answer: In 1450 the printing press is developed. About 1503 the European kingdoms started to take people from Africa and enslaved them. Nov 11, 1620, the Mayflower Pilgrims made their first landing to America, in Province town Harbor, Massachusetts.1519 Magellan was the first person to sail around the world and to prove that the Earth is round. 1558 Elizabeth I rules England during the period of William Shakespeare. 1500 In Germany, the first ever watch was created by Peter Heinlein. 1534 England breaks away from the authority of the Catholic Church and becomes a Protestant country under King Henry VIII.597 The first ever flushing toilet was invented by John Harrington in England.
Explanation: you are welcome :)
The answer is <span>a) cancer.
</span><span>Cells must control mitosis (cell division) in order to maintain normal cell function. If something happens to the control of mitosis, the healthy cells will divide uncontrollably. These new cells are cancer cells and they are also out of control. They will continue to divide uncontrollably, so the mass of the cancer cells will grow.
</span>Regarding other choices:
- cystic fibrosis is an inherited disorder of lungs and digestive system,
- albinism is a congenital disorder characterised by the absence of pigment in the skin and hair,
- meiosis is cell division resulting in the reduction of a chromosome number in half.
Answer;
-Zygote
When sperm and ovum unite at conception, a zygote results.
Explanation;
-Conception occurs when a sperm cell from a fertile man swims up through the vagina and into the uterus of a woman and joins with the woman's egg cell (ovum) as it travels down one of the Fallopian tubes from the ovary to the uterus.
-A zygote is the union of the sperm cell and the ovum. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.
That would be B. Cell Wall
Hope this helps.
