Surrounding the Cape of Good Hope, Diaz demonstrated that there was a connection between the Atlantic Ocean and the Indian Ocean (geographers of the time arguing the exact opposite), and thus reborn the idea that a sea route to India could be discovered. To complete Diaz’s sea voyage, the Portuguese king John II sent Pedro de Covilha, a good.

The Portuguese discovery of the sea route to India was the first recorded trip directly from Europe to the Indian subcontinent, via the Cape of Good Hope. Under the command of Portuguese explorer Vasco da Gama, it was undertaken during the reign of King Manuel I in 1495–1499.

The graph shows the Halley times series, extended to 2016. b, Subsequent satellite monitoring revealed that the area of ozone depletion — the ozone hole — extended over a vast region. This map shows a satellite ozone map for 10 September 2000, when ozone depletion was close to its maximum: blue indicates low ozone levels; red, high levels.

Who discovered cells, and how? An English Botanistn, Robert Hooke discovered cells. In 1665, he used self designed microscope to observe cells in a cork slice. An English Botanistn, Robert Hooke discovered cells. In 1665, he used self designed microscope to observe cells in a cork slice. Login Course NCERT Class 12 Class 11 Class 10 Class 9 Class 8

History Map showing the sites and extent of the Indus Valley civilisation. Harappa was the centre of one of the core regions of the Indus Valley Civilization, located in central Punjab. The Harappan architecture and Harappan Civilisation was one of the most developed in the old Bronze Age.

During cell division, a parent cell divides into two daughter cells.. Carl-Philipp Heisenberg and his team now discovered that dividing cells can become softer and thus deformable by extrinsic.

In a man with mitochondrial myopathy, a neuromuscular disease, the scientists discovered a mutation on mitochondrial DNA that came from his father. It’s possible, however, that the mutation.

Christian de Duve, whose laboratory in Louvain discovered lysosomes in 1955 and defined peroxisomes in 1965, died at his home in Nethen, Belgium at the age of 95, on May 4, 2013. De Duve was the last of a group of eminent physiological chemists who, by the 1940s and 1950s, began to explore the subcellular organization of biochemical pathways.

Answer (1 of 2): Ribosomes were first observed in the mid-1955s by cell biologist George Palade with an electron microscope as dense particles or granules. The term "ribosome" was proposed by scientist Richard B. Roberts in the end of 1950s.

The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life.

who discovered the cell and how for Class 9 2023 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about who discovered the cell and how covers all topics & solutions for Class 9 2023 Exam.

rough endoplasmic reticulum (RER), series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins.