Cell cycle

he two processes of nuclear division are similar as in they allow cells to divide and reproduce, but they also have many differences. Meiosis is the type of nuclear division that occurs in sexually reproducing organisms. In meiosis, the diploid number of chromosomes is reduced to the haploid number. Gametes have the haploid number, while zygotes have the diploid number. The homologous chromosomes that appear in the zygote look alike and have the same length and centromere position, but the…

caused by cellular division going wrong is Cancer and Tumors. (1)Disrupted passage through mitosis often leads to chromosome missegregation and the production of aneuploidy progeny. Aneuploidy has long been seen as a frequent characteristic of cancer cells. Also Aneuploidy has been seen as a frequent characteristic of tumorigenesis. Mitotic spindle assembly are drugs that are frequently used to treat various types of human tumors. These lead to chronic mitotic arrest if they are sustained from…

Cell Biology Beta cells in pancreatic tissues are described as eukaryotic cells and not prokaryotic, this is because the cell is larger in size and there is a true nucleus present which contains DNA. In prokaryotic cell there isn’t a nucleus and the DNA is free within the cytoplasm. Also Beta cells have many organelles and there is mitochondria present, which in a prokaryotic cell there are fewer organelles and there aren’t any mitochondria present. Beta cells in the pancreatic tissue release…

Animal Cell Mitosis Mitosis is defined as the division of the nucleus. In animal cells, consists of 5 major phases – prophase, prometaphase, metaphase, anaphase and telophase. Cytokinesis occurs immediately following telophase, the last phase of mitosis and is the division of the cytoplasm. Mitosis and cytokinesis are phases when the cell is actively dividing and these stages last for a very short time compared to interphase. For most of a cell’s life, it is in interphase, which is a phase…

inside plant cells. chloroplast like many other organelles has a specific job. Chloroplast absorbs sunlight and uses it with water and carbon dioxide gas to produce food for the plant. chloroplasts also have the pigment chlorophyll, which absorbs deep-blue and red light, so that the rest of the sunlight spectrum is being reflected, causing the plant to look green. Chloroplasts also contain flattened sacs known as thylakoids. Thylakoids are small compartments located in plant cells that help the…

Cell to Cell Communication Two or multiple cells who are in a close radius have the capability to communicate with each other through the plasma membrane. Cells send signals through steps of signal transduction pathway. Cells communicate through chemical messages long distance and in a short radius. Different Types of Signaling In long distance and short distance signaling there are many different types of signaling used for communication between cells. The local communication is done through…

There was a mass production of “mitosis” and when that happens bad things like cancer can happen. So the cells fight of the mass production so they can defeat the cancer and things. This is when the mobs started to break out. In about 3 months I was getting threats because they wasted their money on something that is fake. Then about 5 months later mobs…

secondary consumers, and a tenth are third level consumers. Energy pyramids shows how energy flows in a community. The different levels have different organisms. There is an embryo that represents embryonic stem cells. Embryonic stem cells are pluripotent; they can develop into any cell in the body. It is best used to replace tissue or body parts. A lot of different organisms have similar looking embryos. Embryology is an evidence of evolution. The chordates of different organisms are similar…

Evaluation: The graph that was produced shows that Whitefish Blastula cells spend the most amount of time in interphase followed by prophase, metaphase, anaphase and finally telophase. Relative time was found by finding the total number of cells in each phase and then dividing it by the total number of all cells counted and finally multiplying by 100. Doing this showed that the cell that takes up the most amount of time is interphase at 71.35%. Although I was unable to confirm the accuracy of…

dimorphic cell cycle produces two morphologically and functionally different daughter cells, known as the stalked cell and the swarmer cell. The stalked cell remains anchored to the substratum and is sessile, while the swarmer cell is motile. Upon chemotaxis, the swarmer cell disperses in search of nutrients. Once sufficient nutrients are located the cell cycle can continue. In the early phases of the cell cycle, the swarmer cell will lose its flagella and begin to grow a stalk. As the cycle…