Felice Fontana (15 April 1730 – 9 March 1805) was an Italian physicist who discovered the water gas shift reaction in 1780. He is also credited with launching modern toxicology and investigating the human eye. He is also credited for discovering the nucleolus of a cell.
What was discovered by Fontana?
the nucleolus
Felice Fontana discovered the nucleolus in the year 1774.
Who discovered the nucleolus?
The first properly documented accounts of the nucleolus were made independently by Wagner (1835) and Valentin (1836, 1839).
Who discovered protoplasm?
scientist Dujardin
Answer: In 1835 scientist Dujardin introduced us to the substance that was later on named protoplasm; he originally referred it to as “sarcode”. In 1839, J.E. Purkinje actually coined the term – ‘protoplasm’.
Who discovered the cell wall?
History. A plant cell wall was first observed and named (simply as a “wall”) by Robert Hooke in 1665.
Who discovered ribosomes?
George E. Palade
In 1955, George E. Palade discovered ribosomes and described them as small particles in the cytoplasm that preferentially associated with the endoplasmic reticulum membrane.
Who discovered nucleus of cell?
Robert Brown
Robert Brown discovered an opaque area in many plant cells when observed under the microscope. He called it the nucleus.
Who discovered of mitochondria?
physiologist Albert von Kolliker
Mitochondria, often referred to as the “powerhouses of the cell”, were first discovered in 1857 by physiologist Albert von Kolliker, and later coined “bioblasts” (life germs) by Richard Altman in 1886. The organelles were then renamed “mitochondria” by Carl Benda twelve years later.
Who is father of nucleus?
Ernest Rutherford is known as the father of nuclear physics. He is famous for his work on radioactivity and the gold foil experiment that suggested the existence of a nucleus in an atom.
Who found the term cell?
The cell was first discovered by Robert Hooke in 1665, which can be found to be described in his book Micrographia. In this book, he gave 60 ‘observations’ in detail of various objects under a coarse, compound microscope.
Where is protoplasm found?
Protoplasm comprises the living part of the cell. It includes cytoplasm, nucleus and other organelles. Protoplasm is enclosed within the cell membrane, but itself is not a part of protoplasm.
Who discovered chloroplast?
Discovery. The first definitive description of a chloroplast (Chlorophyllkörnen, “grain of chlorophyll”) was given by Hugo von Mohl in 1837 as discrete bodies within the green plant cell.
Who discovered vacuoles?
It was Felix Dujardin (1801-1860) who reported in 1835 on such aqueous spaces in infusoria. He named them “vacuoles” and regarded them as a characteristic feature of living substances.
Who discovered bacteria?
Leeuwenhoek
Leeuwenhoek is universally acknowledged as the father of microbiology. He discovered both protists and bacteria [1]. More than being the first to see this unimagined world of ‘animalcules’, he was the first even to think of looking—certainly, the first with the power to see.
Who discovered protein?
Proteins were first described by the Dutch chemist Gerardus Johannes Mulder and named by the Swedish chemist Jöns Jacob Berzelius in 1838.
Who discovered lysosomes?
Christian de Duve
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.
Who named ribosome?
biologist George Emil Palade
Ribosomes were first observed in the mid-1950s by Romanian-American cell biologist George Emil Palade, using an electron microscope, as dense particles or granules. The term “ribosome” was proposed by scientist Haguenau in the end of 1958: During the course of the symposium a semantic difficulty became apparent.
Who discovered atom?
This idea of tiny, indivisible bits of matter persisted until the 1800’s. John Dalton (1766-1844), a great chemist, really started the modern atomic hypothesis.
Who discovered Golgi?
Camillo Golgi
The existence of the cell organelle which is now known as Golgi apparatus or Golgi complex, or simply as ‘the Golgi”, was first reported by Camillo Golgi in 1898, when he described in nerve cells an ‘internal reticular apparatus’ impregnated by a variant of his chromoargentic staining.
Who have no nucleus?
Prokaryotes are organisms whose cells lack a nucleus and other organelles.
Who discovered the cell organelles?
In 1833, Brown observed and described the nucleus, the first organelle. In 1838, the many and various observations were converted into a cell theory by Schleiden, who proposed that all plant tissues were composed of nucleated cells.