In which state chromosomes become visible
Web(b) Draw a single chromosome attached to a spindle fibre as it would appear during metaphase of mitosis. Label the following on your drawing: centromere chromatid spindle fibre (3) (c) The diploid chromosome number of the fruit fly is 8. How many chromosomes would be present in the nucleus of
In which state chromosomes become visible
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WebFor most of the life of the cell, chromatin is decondensed, meaning that it exists in long, thin strings that look like squiggles under the microscope. In this state, the DNA can be accessed relatively easily by cellular machinery (such as proteins that read and copy DNA), which is important in allowing the cell to grow and function. Web17 jul. 2024 · Meiosis is a two-part cell division process that produces sex cells with one half the number of chromosomes as the parent cell. Interphase Ed Reschke/Getty Images There are two stages or phases of meiosis: meiosis I and meiosis II. Before a dividing cell enters meiosis, it undergoes a period of growth called interphase.
Webprophase. first and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the … Web21 mrt. 2024 · Chromosomes become visible during prophase, the first stage of mitosis. Explanation: During prophase, the chromosomes form, and the nuclear envelope and the nucleolus are no longer visible.
Web7 mei 2024 · You can see chromosomes in blue and spindles in green. The Forms of DNA Except when a eukaryotic cell divides, its nuclear DNA exists as a grainy material called chromatin. Only when a cell is about to divide … WebChromosomes become visible during prophase. Chromatin is in its least condensed stage during the interphase stage. It begins its condensation during the prophase stage and is …
WebThe chromosomes begin to decondense and return to their “stringy” form. Cytokinesis, the division of the cytoplasm to form two new cells, overlaps with the final stages of mitosis. It may start in either anaphase or …
WebChromosomes become visible during prophase. Chromatin is in its least condensed stage during the interphase stage. It begins its condensation during the prophase stage and is visible until the end of cell division. Suggest Corrections 7 Similar questions Q. Chromosomes appear at equator in (a) anaphase (b) metaphase (c) prophase (d) … greichaly ceperoWebChromosomes become visible during prophase. A more accurate answer says that the chromosomes are visible during late prophase, which is sometimes called … fiche maths ce1 autonomieWeb4 feb. 2024 · During prophase, that loose chromatin condenses and forms into visible, individual chromosomes. Since each of the parent cell’s chromosomes were replicated during interphase, there are two copies of each chromosome in the cell during prophase. Once the chromosomes have been duplicated and all other conditions are … Want to build the best possible college application? We can help. PrepScholar … Meiosis is needed for sexual reproduction, and each cycle of meiosis creates four … If you’re getting ready for the AP Biology exam, then you’re probably spending … This cell membrane function has three results: the total surface of the … What's the difference between plant and animal cells? Check out our animal cell … fiche maths cm1 cm2WebChromosomes condense and become visible by light microscopy as eukaryotic cells enter mitosis or meiosis. During interphase (G1 + S + G2), chromosomes are fully or partially decondensed, in the form of chromatin, which consists of DNA wound around histone proteins (nucleosomes). In G1, each chromosome is a single chromatid. greiber michael d attorney in wiWeb28 mrt. 2024 · Complete step by step answer: In pachytene, the bivalent chromosomes clearly appear as a tetrad. While these chromosomes were formed in the zygotene stage of the prophase- I by the process of association of synaptonemal complexes called synapsis. So, the correct answer is ‘Pachytene’. Additional information: fiche mathematique cm1 a imprimerWeb22 dec. 2024 · The individual chromosomes become visible with a light microscope during which stage of mitosis? A. prophase B. prometaphase C. metaphase D. anaphase. … greice hofmannWeb19 jan. 2024 · In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called … greice murphy advanced care pediatrics