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2024年4月19日 · Cells contain a special collection of molecules that are enclosed by a membrane. These molecules give cells the ability to grow and reproduce.
Cells are broadly categorized into two types: eukaryotic cells, which possess a nucleus, and prokaryotic cells, which lack a nucleus but have a nucleoid region.
In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the ...
Cells are the smallest common denominator of life. Some cells are organisms unto themselves; others are part of multicellular organisms. All cells are made from ...
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When a mysterious cell phone signal causes apocalyptic chaos, an artist is determined to reunite with his young son in New England.When a mysterious cell phone ...