Draw and label anaphase and telophase of fish cells? tell me faster if you can pls.?
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I don't mean to be a smarty, but it's hard to draw using a keyboard, so open up your textbook and look for it in there. It should be there, it was when I took Biology.
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Let's assume you want a human example.\nHuman cells have 46 chromosomes.\n\nIn Meiosis 1:\nProphase 1- chromosomes replicate, join with homologous pairs to become tetrads.\n--46 chromosomes paired, 23 tetrads, and 92 chromatids\nMetaphase 1- same numbers as prophase\nAnaphase 1: 46 chromosomes (double stranded), 92 chromatids\nTelophase 1: end: 23 chromosomes (double stranded), 46 chromatids per cell\n\nProphase 2: same as Telophase 1\nMetaphase 2: same as Telophase 1\nAnaphase 2: 46 chromosomes, zero chromatids\nTelophase 2: end: 23 chromosomes per cell.
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remember the phases in meiosis (in order) :Prophase, Metaphase, anaphase, telephase (pmat)\nMitosis\nI  INTRODUCTION \n\nMitosis, process in which a cell’s nucleus replicates and divides in preparation for division of the cell. Mitosis results in two cells that are genetically identical, a necessary condition for the normal functioning of virtually all cells. Mitosis is vital for growth; for repair and replacement of damaged or worn out cells; and for asexual reproduction, or reproduction without eggs and sperm.\n\nAll multicellular animals, plants, fungi, and protists, which begin life as single cells, carry out mitosis to develop into complex organisms containing billions of cells. Mitosis continues in full-grown organisms as a means of maintaining the organism—replacing dying skin cells, for example, or repairing damaged muscle cells. In the cells of the adult human body, mitosis occurs about 25 million times per second. Multicellular organisms such as sea stars, sea anemones, fungi, and certain plants rely on mitosis for asexual reproduction at particular stages in their life cycles, and mitosis is the sole mode of reproduction for many single-celled organisms.\n\nII  INTERPHASE \n\nThe life cycle of eukaryotic cells, or cells containing a nucleus, is a continuous process typically divided into three phases for ease of understanding: interphase, mitosis, and cytokinesis. Interphase includes three stages, referred to as G1, S and G2. In G1, a newly formed cell synthesizes materials needed for cell growth. In the S stage, deoxyribonucleic acid (DNA), the genetic material of the cell, is replicated. At this stage, DNA consists of long, thin strands called chromatin. As each strand is replicated, it is linked to its duplicate by a structure known as a centromere. When the S stage is complete, the cell enters a brief stage known as G2, when specialized enzymes correct any errors in the newly synthesized DNA, and proteins involved with the next phase, mitosis, are synthesized. \n\nIII  MITOSIS \n\nMitosis occurs in four steps. In prophase the replicated, linked DNA strands slowly wrap around proteins that in turn coil and condense into two short, thick, rodlike structures called chromatids, attached by the centromere. Two structures called centrioles, both located on one side of the nucleus, separate and move toward opposite poles of the cell. As the centrioles move apart, they begin to radiate thin, hollow, proteins called microtubules. The microtubules arrange themselves in the shape of a football, or spindle, that spans the cell, with the widest part at the center of the cell and the narrower ends at opposite poles. As the spindle forms, the nuclear membrane breaks down into tiny sacs or vesicles that are dispersed in the cytoplasm. Final disintegration of the membrane marks the beginning of metaphase. \n\nIn metaphase, the spindle fibers attach to the chromatids near the centromeres, and tug and push the chromatids so that they line up in the equatorial plane of the cell halfway between the poles. Like two individuals standing back to back at the equator, one chromatid faces one pole of the cell, and its linked partner faces the opposite pole. This precise orientation is necessary in order for the next step, anaphase, to occur. Anaphase begins when the centromeres split, separating the identical chromatids into single chromosomes, which then move along the spindle fibers to opposite poles of the cell. \n\nAs these two identical groups of single chromosomes gather at opposite poles of the cell, telophase begins. A new nuclear membrane forms around each new group of chromosomes. The spindle fibers break down and the newly formed chromosomes begin to unwind. If viewed under a light microscope, the chromosomes appear to fade away. They exist, however, in the form of chromatin, the extended, thin strands of DNA too fine to be seen except with electron microscopes. Mitosis accomplishes replication and division of the nucleus,
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I'm not sure how cytological studies would be used to look at evolution of lionfish, but in molecular comparisons of the lionfish to other fish, the evolutionary tree shows lionfish falls within the order Scorpaeniformes.  Its evolutionary relationship to other fish is fairly well known.  It is closely related to zebrafish, which are cheap and robust aquarium fish.\nThe evolution of different kinds of lionfish is also fairly well known from molecular data.  \nSee references for more details!
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At the time of cell division only the chromatid number doubles.Inter phase is the resting phase intht phase no doubling tales place .It takes place at the early meta phase stage\nIn anaphase the polar fibers or spindle fibers get attached to chromosome near the centromere.Then while they are moving towars poles,each centromere splits and carries half chromosome or one  chromatid.The chromatid in telophase becomes a full chromosome\nSo 46 chromosoes become 92 and 92become 46at the end of telophase stage.Hope you got the point.
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i did this, i used a ball of styrofome( er however you spell that) for the whole cell, and a smaller ball for the nucleus. then i just found a buncha little things for everything else. i used toothpicks with little tags on the end to label the parts
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Try this , it really helped me in my first few lectures in cell bio , such as DNA and RNA . Loads of animations and stuff ! \n\nhttp://www.johnkyrk.com/DNAtranscription.html
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i have a book that i can sell you. it has all the diagrams and labels of the developmental stages of a chick embryo, as well as humans, echinoderm, etc. let me know if you want to buy it. it was only used a couple of times in class.
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Both involve prophase, metaphase, anaphase and telophase. Both involve cytokinesis, and lastly DNA is replicated just before cells enter either mitosis or meiosis.
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none\n\n\nyou start with one pair of homologous chromosomes in prophase I of meiosis I.  at metaphase I, these homologues line up across the metaphase plate, and at anaphase, they seperate so that one homologue goes to one pole, and the other homologue goes to the other pole.  after cytokinesis at the end of telophase I, you have one homologue in each cell...that homologue then goes through meiosis II, and at metaphase II, that homologue lines up at the metaphase plate with each sister chromatid facing each pole, and the chromosome is "pulled apart".  Anaphase II pulls the sister chromatids to each pole, and cytokinesis splits the one cell into two....two cells, each containing one sister chromatid of a homologous pair. (although in some text books this is refered to as a single homologue)
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Try this:\nhttp://en.wikipedia.org/wiki/Cell_(biology)\n\nhttp://health-pictures.com/images/Human-cell.jpg
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the correct order:\n\n1) Chromosomes copy themselves (interphase).\n2) Chromosome copies fasten together as the nuclear... (prophase).\n3) Chromosomes line up in the center of the cell (metaphase).\n4) Chromosome copies separate (anaphase & telophase).\n5) Cell splits (cytokinesis).\n\nThis is correct. Disregard the former answers.
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============================================================\nMitosis is a special kind of cell division used by eukaryote cells. You will probably find a series of diagrams in your biology text book to show the stages of mitosis; these are:\n\nprophase \nmetaphase \nanaphase \ntelophase \n============================================================\n============================================================\n2. cell division \n\neukaryotic cell \n\na. By mitosis (def).\nb. Sex cells in diploid (def) organisms are produced through meiosis (def). \n\nprokaryotic cell \n\na. Usually by binary fission (def). No mitosis.\nb. Organisms are haploid (def). No meiosis needed. \n============================================================\n\nMore at the links:
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You can go to this site and find information on fish biochemistry:\n\nhttp://www.fishnet.dk/networks/fibp/fibp.htm
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http://en.wikipedia.org/wiki/Cell_%28biology%29\n\ndoes this help any?
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Click on this link\nhttp://www.ncbi.nih.gov/\n\nOn the "search" menu select "genome".  On the search bar insert the scientific name of a fish, if you are lucky it'll be available.  Click search. If it's not available, try another name.  Click search. And so on.  Eventually you will be able to see the whole genome of the fish species.
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Tetraploid. (Probably a plant)