Question

Golgi apparatus was first seen under an electron microscope by
A. Novikoff
B. Dalton and Felix
C. Rhodin
D. De Robertis and Franchi

Answer 1

Golgi apparatus was first observed by George in the year 1867 and named after Italian histologist Camillo Golgi in 1898. He first discovered the Golgi apparatus in the nerve cells of barn owls and cats. He did this through the metallic impregnation technique using mixtures of silver salt osmium chloride. Its electron microscopic structure was illustrated by Dalton and Felix in 1954.

Complete answer:

Option A- Novikoff
Alex Benjamin Novikoff, an American biologist, acknowledged for his pioneering works in the discoveries of cell organelles. He got tremendous achievements in developing histochemical techniques for studying the structure and functions of cells and their organelles.
Option B- Dalton and Felix
Dalton and Felix are known for their discovery of the electron microscopic structure of the Golgi apparatus in 1954. It is a complex network of smooth membrane-enclosed organelle known for assisting in the collection, packaging, distribution, and secretion of biomolecules.
Option C- Rhodin
Thor Nathaniel Rhodin was born on December 9, 1920. He was an American professor of Applied and Engineering Physics at Cornell University and the University of Chicago's James Franck Institute. He is associated with pioneering work in the birth and evolution of surface science.
Option D- De Robertis and Franchi
De Robertis and Franchi are known for the discovery of Microtubules in 1953.that are tubular structures that are present in the cytoplasm of a cell and are a part of the cytoskeleton. It gives structure and shape to the cytoplasm of cells. It is primarily made up of the protein tubulin.

So, the correct answer is 'Dalton and Felix'.

Note: Golgi apparatus is a cellular organelle. It includes folded and flattened membranes within the cytoplasm which are implicated in secretion and helps in intracellular transport. This organelle helps in modifying, sorting, and packaging of proteins for secretion. It also helps in the transportation of lipids and forms lysosomes.