SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cells come only from other preexisting cells
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cells spontaniously appear
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cells are the basic unit of all living organisms
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all living things are composed of cells
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Detailed explanation-1: -The third part of the cell theory definition states that all cells come from preexisting cells. This means that cells don’t just appear out of thin air (known as “spontaneous generation”). New cells are always made from current cells.
Detailed explanation-2: -The correct option is C All cells are surrounded by cell wall.
Detailed explanation-3: -Prokaryotes. Prokaryotes are generally small cells that are enclosed by the plasma membrane. Eukaryotes. Eukaryotic cells have a nucleus, organelles, and a plasma membrane surrounding them. Single-celled Organisms. Cell theory can be well understood by looking at single-celled species. Plants. Animals.
Detailed explanation-4: -All living things are composed of cells. Cells are the basic units of structure and function for living things. All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.