In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus ...

Prokaryotes are single-celled organisms that are generally smaller than eukaryotic cells, lack a nucleus to hold their DNA, ...

Eukaryotic cells are complex biological units, each with multiple membrane-bound compartments. These cells use specialized mechanisms to export biomolecules from their synthesis site to where they ...

Eukaryotic cells are complex biological units, each with multiple membrane-bound compartments. These cells use specialized mechanisms to export biomolecules from their synthesis site to where they ...

Eukaryotic cell DNA in a nucleus, plasmids are found in a few simple eukaryotic organisms. Prokaryotic cell DNA is a single molecule, found free in the cytoplasm; additional DNA is found on one or ...

Long known as a messenger within cells, RNA is increasingly seen as life’s molecular communication system — even between ...

【第2集】BBC.The.Cell- 细胞 - 科普类型纪录片(1)（中） 译 BBC.The.Cell- 细胞 - 科普类型纪录片 - BBC.The.Cell- 细胞 - 科普类型纪录片(1)（中） ...

Eukaryotic cells are complex biological units, each with multiple membrane-bound compartments. These cells use specialized ...

Understanding how eukaryotic cells process information from their environment and initiate programs of gene expression leading to growth, development, and functional specification is the essence of a ...