WebJan 17, 2015 · Hubel and Wiesel also discovered another type of cell in the visual cortex, which they called a complex cell. 6 Like simple cells, complex cells were activated by lines of a specific orientation, but many of them responded best to a line that was moving steadily through space. So now the brain can detect a totally new feature: movement. WebApr 8, 2024 · Researchers from Johns Hopkins University have discovered how histone H3, a protein in roundworm chromosomes, enables offspring to produce specialized cells generations later, challenging the idea that hereditary information for cell differentiation is mostly contained in DNA.

Two new discoveries shed light on the mystery of how cells …

WebThe cell was discovered when people started looking through the earliest microscopes. Robert Hooke looked at cork, which is the bark of the cork oak, and its cells are dead. The … WebThe origins of sickle cell disease. Research shows that the mutation causing sickle cell disease arose in Africa thousands of years ago to help protect against malaria, a historically major cause of death there. Over time, as sickle cell disease emerged, it became known by various names in different tribal languages in Africa, long before it ... green plains corn prices

History of the Cell: Discovering the Cell - National …

WebNineteenth century cell biologists discovered that animal and plant cells had a central compartment known as the nucleus. Each nucleus contained a set of rod-shaped structures, and when a typical cell divided, a new nucleus complete with a new set of rods was created. These rods were named chromosomes for the way they absorbed colored stains. WebWelcome to our science channel! In this video, we explore a fascinating topic that's sure to pique your interest. Have you ever heard of forgetful cells? It'... fly swimming