Answer: the answer is False
Explanation:
Answer:
Variations are caused by mutation. random mating between organisms.
Explanation:
Answer:
10.) What hormone is released due to the rising level of estrogen in the bloodstream?
A) When the level of estrogen is sufficiently high, it produces a sudden release of LH, usually around day thirteen of the cycle.
<u>-TheUnknownScientist</u>
Answer:
The option 'All cells contain a nucleus' is not a part of the cell theory.
Explanation:
The cell theory proposed by scientists illustrates that every organism whether prokaryotic or eukaryotic is made up of a cell or different kinds of cells. It also that explains that cells are made from living things. According to the cell theory, cells are termed as the basic unit of life, without which life is not possible.
The cell theory does not claim that every cell must have a nucleus because many cells like cells of prokaryotes lack nucleus. Their genetic material is dispersed in the cytoplasm.