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Cells have a defined nucleus that contains genetic material (DNA or RNA), organelles (e.g., mitochondria, endoplasmic reticulum), and the ability to carry out cellular processes like metabolism and division. In contrast, viruses lack these cellular structures and can only replicate by hijacking the machinery of host cells.
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Are viruses smaller than eukaryotic cells?
Yes, viruses are smaller than eukaryotic cells.
List prokaryotic cells eukaryotic cells and viruses in order of increasing complexity?
Viruses, prokaryotic cells, eukaryotic cells. Viruses are the simplest, consisting of genetic material surrounded by a protein coat. Prokaryotic cells are more complex, with no membrane-bound organelles and a simpler structure than eukaryotic cells, which are the most complex with membrane-bound organelles and a nucleus.
Do viruses have liquid cytoplasm?
Viruses do not have cytoplasm. They are simply genetic material enclosed in a protein coat, lacking the complex organelles and structures found in living cells.
Viruses live and breed in what cells?
Viruses cannot live or breed on their own. Instead, they infect the cells of living organisms, such as animals, plants, and bacteria, to replicate and spread. Once inside a host cell, the virus hijacks the cell's machinery to reproduce more viruses.
Why are viruses hard to cultivate in the laboratory?
Viruses are hard to cultivate in the laboratory because they require living host cells to replicate. This dependency on living cells makes it challenging to maintain viruses outside of a host organism. Additionally, viruses can be very specific about the types of cells they can infect, which further complicates the cultivation process.
Are viruses old prehistoric cells or are they highly evolved cells?
viruses dont have cells
Are viruses general or specific to the cells that they infect?
viruses are specific to the cells they infect called host cells
Is genetic material found in both cells and viruses?
Yes, both viruses and cells have DNA.
Are viruses made up of tissues?
No, tissues are made up of cells and viruses are not even cells.
Are viruses smaller than eukaryotic cells?
Yes, viruses are smaller than eukaryotic cells.
Why do you classify viruses as obligatory intracellular parasite?
Viruses need living cells to produce more viruses. They are obliged to use living cells.
Are viruses made of a cell or cells?
well viruses are caused by bacteria and bacteria are cells. so yes
Are viruses made out of a cell or cells?
well viruses are caused by bacteria and bacteria are cells. so yes
When body cells are attacked by viruses they produce what?
INTERFERON is a substance produced by body cells when they are attacked by viruses.
Does cells have viruses?
cells are not made with viruses unless the virus gets into the cell itself. The viruses get into the cell and the virus will spread killing off whatever it can ;)
Viruses are single celled organisms?
No. Viruses are not cells. They invade cells to get the materials to copy their DNA. Many people do not consider viruses to be truly alive.
Which best describes how common cold spread in the human body?
viruses replicate inside respiratory cells.
