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What is Nucleus still visible in?
The term "nucleus" can refer to different contexts, but in biology, it is still visible in cells under a microscope, particularly in eukaryotic cells where it houses genetic material. In astronomy, the nucleus is visible in comets, representing the solid core that releases gas and dust to form a visible atmosphere or tail when near the Sun. In physics, the atomic nucleus remains a fundamental concept in understanding atomic structure and nuclear reactions.
What cells have visible projections amongst muscle cells red blood cells and sperm cells viewed under a light microscope?
Muscle cells have visible projections called myofibrils, red blood cells lack visible projections due to their biconcave disc shape, and sperm cells have a visible projection called a flagellum which helps in motility.
When choromosomes are visible in the nucleus?
Chromosomes are visible in the cell nucleus during mitosis and meiosis.
How might you explain that while observing the nucleus under high power in one cell the nucleus in the other cells are not visible?
When observing cells under high power, the visibility of the nucleus can depend on several factors, including the plane of focus and the thickness of the tissue section. If the cell containing a visible nucleus is in focus while neighboring cells are not, it could suggest that those cells are either out of the focal plane or have nuclei that are smaller or less prominent. Additionally, differences in cell type or stage of the cell cycle might affect nuclear visibility, as some cells may have condensed chromatin or be in a state of division.
What are the characteristic activities of interphase?
In plant or animal cells, during interphase, the nucleus is not undergoing division. The nucleus will be visible and the nuclear membrane will also be visible.
What is the largest and most visible organelle found in all cells?
The largest, and most easily visible organelle found in MOST cells is the nucleus. It is large and dark staining, and quickly seen in a microscope. However, only eukaryotic cells have a nucleus. Prokaryotic cells don't have organelles at all.
What is Nucleus still visible in?
The term "nucleus" can refer to different contexts, but in biology, it is still visible in cells under a microscope, particularly in eukaryotic cells where it houses genetic material. In astronomy, the nucleus is visible in comets, representing the solid core that releases gas and dust to form a visible atmosphere or tail when near the Sun. In physics, the atomic nucleus remains a fundamental concept in understanding atomic structure and nuclear reactions.
What are prokaraotes?
Prokaryotes are the cells which do not have a definite nucleus. While Eukaryotes are the cell who have a definitive nucleus which is visible because of a definitive nuclear membrane.
Was the nucleus visible in lactobacilli why?
Was the nucleus visible in Lactobacilli? Why?
What cells have visible projections amongst muscle cells red blood cells and sperm cells viewed under a light microscope?
Muscle cells have visible projections called myofibrils, red blood cells lack visible projections due to their biconcave disc shape, and sperm cells have a visible projection called a flagellum which helps in motility.
What are no visible cytoplasmic granules found in?
No visible cytoplasmic granules are found in red blood cells, which lack organelles such as granules or a nucleus.
When choromosomes are visible in the nucleus?
Chromosomes are visible in the cell nucleus during mitosis and meiosis.
How might you explain that while observing the nucleus under high power in one cell the nucleus in the other cells are not visible?
When observing cells under high power, the visibility of the nucleus can depend on several factors, including the plane of focus and the thickness of the tissue section. If the cell containing a visible nucleus is in focus while neighboring cells are not, it could suggest that those cells are either out of the focal plane or have nuclei that are smaller or less prominent. Additionally, differences in cell type or stage of the cell cycle might affect nuclear visibility, as some cells may have condensed chromatin or be in a state of division.
What are the characteristic activities of interphase?
In plant or animal cells, during interphase, the nucleus is not undergoing division. The nucleus will be visible and the nuclear membrane will also be visible.
What is the hypothesis of onion cell?
The hypothesis of observing onion cells under a microscope could be that the onion cells will have a distinct rectangular shape and contain a visible nucleus.
What type of cells contain a nucleus?
The cells of eukaryotes will contain a nucleus.
Organisms whose cells have no visible nucleus?
Certain bacteria and viruses carry their DNA in little rings rather than in chromosomes, so don't have a distinct nucleus like larger organisms.
