Mitosis is simply a stage in a cells life cycle, which could be broken down further into stages of mitosis. The rest (so not mitosis) is know as Interphase and is where the cell does its normal function, so if it's the cell is in a region of muscle it would contract/relax as normal etc.
Immediately before mitosis (or M phase) is what's know as G2 phase, where the G stands for growth and is where particular gene pathways are expressed to promote growth of the volume of DNA (chromosomes are duplicated, so from 46 to 92). At the end of this stage is a checking process where the DNA is scrutinised for any errors, if all is okay then the cell can proceed to mitosis, if not then the process is stopped so that errors in copying the DNA can be fixed. This is know as a restriction point and the cell must meet the requirements to pass. This is often seen as a way cells can prevent damage being replicated and therefore interfering with normal cell processes. When cells are cancerous they are able to override this and therefore divide and spread the damaged DNA.
A female gamete is known as an egg,
a male gamete is known as sperm,
when they combine they form a zygote
Parasitism
Explanation:
A tapeworm in the intestine of larger animals including man and absorbing nutrients from their host is a type of parasitic symbiotic relationship.
Organisms interact with one another. There are different types symbiotic interactions.
- A parasitic interaction is one in which an organism called the derives benefit from the host and causes harm to it. Nutrients needed by these large organisms for their own nutrition are taken up by these intestinal works. They cause actively feeding organisms to suffer and die eventually because they are not nourished.
- In mutualism, two organisms lives together and derives benefit from one another. An example is algae and lichen.
- In commensalism, one organism derives benefit without harming the other.
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I would say a (Sorry if i am wrong)
