Chromosomes not clearly visible
Weba) They are clearly visible as defined bodies under the light microscope b) They normally possess a single centromere. c) They sometimes consist only of a single chromatid. d) … WebOct 3, 2010 · The nucleus of the cell is clearly stained and appears to have tiny dots and one or more dark nucleoli inside. What you can't see are the phases of interphase: ... Chromosomes are extended and not visible; regions where rRNA is being transcribed stain dark and are termed nucleoli. MITOSIS: Prophase: Replicated chromosomes, …
Chromosomes not clearly visible
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WebFirst, the nuclear envelope breaks down and the chromosomes are clearly visible under a microscope. The sister chromatids then line up at the center of the cell. Protein fibers pull … WebZooming in on DNA Structure. 1. A molecule of DNA consists of two strands that form a double helix structure. DNA is a macromolecule consisting of two strands that twist around a common axis in a shape called a double helix. The double helix looks like a twisted ladder—the rungs of the ladder are composed of pairs of nitrogenous bases ( base ...
http://thebiologyprimer.com/cell-cycle WebThe only type of cell which does not have 46 chromosomes are the sex cells, which have only half of the number, so they have 23 chromosomes. The egg cell is a sex cell (found in female). So it must have 23 chromosomes. ... Prophase:- Chromosomes have become short and thick and clearly visible inside the nucleus.
Webseparate chromosomes are not clearly visible but the chromatin has become thicker and shorter prophase in the middle of this stage, the nucleolus has completely disappeared WebJan 19, 2024 · Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell …
WebChromosome is the highly condensed structure of the DNA,up to 10,000 folds. In this form the DNA is not free for replication or transcription as DNA binding protein and other …
WebFeb 9, 2011 · When are chromosomes visible in a cell? A cell cycle has five phases. The cycle wherein the chromosomes are visible is called the Mitosis phase which is … head sculpting formWebFirst, the nuclear envelope breaks down and the chromosomes are clearly visible under a microscope. The sister chromatids then line up at the center of the cell. Protein fibers pull one of each pair of sisters toward the poles … head sculpting gameWebWhich statement about eukaryotic chromosomes is not true? a) They are clearly visible as defined bodies under the light microscope b) They normally possess a single centromere. c) They sometimes consist only of a single chromatid. d) They consist only of proteins. e) They sometimes consist of two chromatids. This problem has been solved! goldthorpe sociologoWebMay 3, 2024 · The chromatin has condensed into visible chromosomes that form dark strands and the nucleolus is no longer visible. In cell B, the chromatin is condensing and … goldthorpe solid fuelsWebChromosomes exist at all different phases of the cell cycle. They condense and become visible to light microscopy in prophase of mitosis or meiosis, and they decondense during interphase, in the form of chromatin (DNA wrapped around nucleosomes, like “beads on … goldthorpe social mobility studyWebInterphase is the process of the cell cycle in which the cell carries out its ordinary functions, and is when the chromosomes replicate. Interphase can clearly be seen in eukaryotic cells, because the chromosomes relax, … head sculpting referenceWebCondensation takes place when the cell is about to divide. When chromatin condenses, you can see that eukaryotic DNA is not just one long string. Instead, it’s broken up into … goldthorpe sociologist