A eukaryotic cell (left) has membrane-enclosed DNA, which forms a structure called the nucleus (located at center of the eukaryotic cell; note the purple DNA enclosed in the pink nucleus). A typical ...

Cells can be grouped into two general categories: prokaryotic cells, which include microbes like bacteria and archaea, or eukaryotic cells, which include plants and animals. A major difference between ...

Prokaryotes are ancient, simple forms of life that include bacteria and archaea. These cellular life forms lack membrane-bound organelles. Those organelles, which include the nucleus and the ...

Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by ...

Hyperspectral imaging has provided an insight into how cells organize and prioritize organelle growth. As cells grow, their organelles also need to grow. But do all the organelles grow at the same ...