^OMG! There I go again. Making people die of laughter. If I were a potato, I'd be a funny potato. (Cred to : Thomas)
Okay, so this article gives brief overviews of mitosis, meiosis, and cell division and DNA replication as a whole. It covers the way science works and especially how the scientific method applies to biology. Then, it talks about the actual structure of the cell, building a map of the cell – knowing what processes happen where in the cell, e.g., the production of energy-rich ATP molecules in the mitochondria.
Okay, so this article gives brief overviews of mitosis, meiosis, and cell division and DNA replication as a whole. It covers the way science works and especially how the scientific method applies to biology. Then, it talks about the actual structure of the cell, building a map of the cell – knowing what processes happen where in the cell, e.g., the production of energy-rich ATP molecules in the mitochondria.
It also takes a closer look at the way DNA codes get transcribed into RNA in the nucleus (stuff we've already learned, obvi) and the RNA code translation process into protein structure in the rough endoplasmatic reticulum. Alas, it also talks about several different approaches that cells may take to communicate with each other and with the environment, thus modifying cell function.
In regards to the ways cells divide, it goes over how cell-division, starting with a fertilized cell, builds an embryo, how genetic code (genotype) influence the observable and measurable traits (phenotype) and, finally, how these processes affect the genetic composition of the populations of organisms of the same species – the process of evolution.
This diagram shows both meiosis and mitosis. When next to each other, you can easily compare the two. They are briefly explained below.
One way mitosis is used, is for building! The process of DNA replication, as we all know, is the way all of the DNA code of the mother cell duplicates and one copy goes into each daughter cell (aka most important aspect of cell division). Other cell organelles also divide and split into two daughter cells (someone totally asked Dwebs this in class!!!!). Once the process of DNA replication is over, the new portion of the cell membrane gets built transecting the cell and dividing all the genetic material into two cellular compartments, leading the cell to split into two cells.
Meiosis is a special case of cell division. Mitosis results in the division of all types of cells in the body. Meiosis, however, results in the formation of sex cells (the gametes: eggs and sperm). Mitosis is a one-step process: one cell divides into two. Meiosis is a two-step process: one cell divides into two, then each daughter immediately divides again into two, resulting in four grand-daughter cells. Therefore, mitosis results in two diploid cells (functional) and meiosis results in four various haploid cells (not fully functional).
Overall this is a very helpful article in briefing mitosis and meiosis :)
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