Animal and plant cell prophase similarity? Animal and plant cell Metaphase similarity? Animal and plant cell Anaphase similarity? Animal and plant cell Telophase similarity? 1. Explain why we used these particular cells to map the phases of mitosis (Whitefish blastula and Onion Root Tip). Why do these cells best demonstrate the phases of mitosis?
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Animal and plant cell prophase similarity?
Animal and plant cell Metaphase similarity?
Animal and plant cell Anaphase similarity?
Animal and plant cell Telophase similarity?
1. Explain why we used these particular cells to map the phases of mitosis (Whitefish blastula and Onion Root Tip). Why do these cells best demonstrate the phases of mitosis?
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- Biologists have long been interested in the effects of radiation on cells. In one experiment, researchers examined the effect of radium on mitosis of chick embryo cells growing in culture. A population of experimental cells was examined under the microscope for the number of cells in telophase (as a measure of mitosis occurring) before, during, and after exposure to radium. The results are shown in the Figure. What is the effect of radium exposure on mitosis? Source: R. G. Canti and M. Donaldson. 1926. The effect of radium on mitosis in vitro. Proceedings of the Royal Society of London, Series B, Containing Papers of a Biological Character 100:413419.Apply Evolutionary Thinking The genes and proteins involved in cell cycle regulation in prokaryotes and eukaryotes are very different. However, both types of organisms use similar molecular regulatory reactions to coordinate DNA synthesis with cell division. What does this observation mean from an evolutionary perspective?Hello, I need help to draw mitosis cell for this type of plant, called Chrysopogon aciculatus which I believe reproduces through seeds. Attached is a picture of said plant under the microscope. However, I have trouble drawing its cell under mitosis(?). It is similar to onion root tip mitosis cells, but instwad of onion, it's this plant.
- Question 5 Describe briefly the TWO distinct roles of the v-SNARE and t-SNARE proteins in vesicle transport. O They generate mechanical forces needed for budding the vesicles O They provide mechanical forces needed for transporting vesicles in the cytosol O They provide specificity by matching particular membrane compartments O They hydrolyze GTP to allow vesicles to pinch off a membrane compartment O They generate mechanical forces needed for fusing different membrane compartments O They enable vesicle cargo to be concentrated with its receptor11:51 B +$. ← MitosisAndMeiosis.docx AD B C D E F 2. In what stage were most of the onion root tip cells? Does this make sense? 4. What would happen if mitosis were uncontrolled? 3. As a cell grows, what happens to its surface area-to-volume ratio (hint: think of a balloon being blown up)? How does this ratio change with respect to cell division? 5. How accurate were your time predictions for each stage of the cell cycle? & ON 5G A A C 6. Discuss one observation you found interesting while looking at the onion root tip cells. Cell Cycle Division: Mitosis Beads Dia ר Dronhaco EXPERIMENT 2: FOLLOWING CHROMOSOMAL DNA MOVEMENT THROUGH MITOSIS PAGE 5/... OeScience Labs, 2016Review Concept 12.1 Cell Division. Match the term and its description. Each term can only be used once. All the DNA in a cell is called its [Choose] Choose] Material of chromosome, a complex of DNA ani protein is referred as sister chromatids These nonreproductive cells or body cells are called somatic cells gametes This duplicated chromosome attached along thcir lengths by centromere cohesins. each contain two cell division This is the narrow "waist" of the duplicated chromosome where the two sister chromatids are attached. chromatin genome
- For the question "4. A previously undiscovered single celled organism was found living at a great depth on the ocean floor. Its nucleus contains only a single, linear chromosome consisting of 7x 106 nucleotide pairs of DNA coalesced with three types of histone-like proteins. The analysis of individual nucleosomes revealed that each unit contained one copy of each protein and that the short linker DNA had no protein bound to it If the entire chromosome consists of nucleosomes (discounting any linker DNA), how many are there and how many total proteins are needed to form them?" I was given the answer below: As per question the chromosome contains 7×106 base pairs of DNA, The number of nucleosomes, each containing 7 × 102 base pairs, is equal to : 7 × 106 /7 × 102 = 104 nucleosomes I was wondering how they knew each nucleosome contains 7 × 102 base pairs?A small amount if cytoplasm isolated from a mitotic cell is injected into an unfertilized frog oocyte, causing the oocyte to enter M phase. A sample of the injected cytoplasm is then taken and injected into a second oocyte, causing this cell also to enter the M phase. this process is repeated many times until essentially, none of the original protein samples remains, and yet, cytoplasm taken from the last in the series on injected oocytes is still able to trigger entry into the M phase with undiminished efficiency. Explain this remarkable observation.Number of Chromosomes in a Human Cell in Different Cell Cycle and Mitotic Phases For each stage of the cell cycle and mitosis, identify whether there are 46 or 92 chromosomes in a typical human somatic (body) cell. G1 [Choose] S. [ Choose] G2 [ Choose ] Prophase [Choose ] Prometaphase Choose ] Metaphase [Choose ] Anaphase [Choosc] Telophasc [Choose)
- Mitosis DrawingIn this assignment you will track and draw the chromosomes of a diploid organism through all the stages of mitosis. Make sure to draw the alleles for genes A and B on the chromatids in every stage. For mitosis, remember that many events are going on in the cell that are relevant besides just the movement of chromosomes, so please fill in the cell with pertinent structures such as centrioles and spindles.The somatic cells of a particular plant each contain a total of 40 chromosomes. How do the chromosomes of this plant differ from the chromosomes of humans, who also have a total of 40? O This plant is more like animals than like another plant that has 10 total chromosomes. The genes on this plant's largest chromosome are significantly different than those on the largest human chromosome. This plant's sex cells have chromosomes that can synapse with human chromosomes in the laboratory. O This plant's sex cells would have 80 chromosomes when entering meiosis.In a human somatic cell (normal body cell) that is in G2, what would be true about chromosome number and structure? Check all that apply. Check All That Apply These cells would be considered haploid (n).These cells would be considered haploid (n). The chromosomes would be in the replicated state.The chromosomes would be in the replicated state. The chromosomes would be attached to microtubules at their centromeres.The chromosomes would be attached to microtubules at their centromeres. These cells would contain homologous chromosomes.These cells would contain homologous chromosomes. These cells would contain sister chromatids.These cells would contain sister chromatids. The chromosomes will be aligned in the middle of the cell. The chromosomes will be aligned in the middle of the cell.