Cell theory was formulated by __________________ .
Understanding Cell Theory Formulation
Cell theory is a fundamental concept in biology stating that all living organisms are composed of cells, and that all cells arise from pre-existing cells. This cornerstone theory was primarily developed by two scientists.
Key Scientists in Cell Theory
The formulation of cell theory is credited to:
- Matthias Schleiden (a botanist)
- Theodor Schwann (a zoologist)
Working independently but sharing their findings, Schleiden and Schwann proposed that plants and animals, respectively, are made up of cells. Their combined work laid the foundation for modern cell theory.
Identifying the Correct Formulation
Reviewing the options provided:
- Robert Brown is known for discovering the cell nucleus.
- Singer and Nicolson proposed the fluid mosaic model of the cell membrane.
- Antonie Von Leeuwenhoek made significant improvements to the microscope and observed microorganisms.
- Schleiden and Schwann are the scientists credited with formulating the initial cell theory.
Therefore, Schleiden and Schwann formulated the cell theory.
Similar Questions
- Which one of the following is the site for active ribosomal RNA synthesis ?
Smooth endoplasmic reticulum ______________ .
The correct sequence of adult cell cycle phases is _______________ .
- Given below are two statements :
Statement I : Chromosomes are fully condensed at the end of prophase I.
Statement II : Meiosis I resembles mitosis.
In the light of the above statements, choose the most appropriate answer from the options given below : Endomembrane system includes _______________ .
The plastid that stores xanthophyll is known as ________.
- Mitochondrial inner membrane encloses ______
- Match List-I with List-II.
List-I List-II A. Starch I. Fights infection B. Antibody II. Energy storage C. Concanavalin A III. Glucose transport D. Glut-4 IV. Lectin
Choose the correct answer from the options given below : - Match List-I with List-II.
List-I List-II A. Cristae I. Flat membrane sacs in stroma of chloroplast B. Cisternae II. Infoldings in mitochondria C. Thylakoids III. Cell membrane D. Phospholipid IV. Disc shaped sacs in the Golgi apparatus
Choose the correct answer from the options given below : - Arrange the following elements in descending order of their contribution to percentage weight of the human body.
(a) Oxygen
(b) Carbon
(c) Hydrogen
(d) Nitrogen
Choose the correct answer from the options given below :
Important Questions from Cell Structure and Function
- Which one of the following is the site for active ribosomal RNA synthesis ?
Smooth endoplasmic reticulum ______________ .
The correct sequence of adult cell cycle phases is _______________ .
- Given below are two statements :
Statement I : Chromosomes are fully condensed at the end of prophase I.
Statement II : Meiosis I resembles mitosis.
In the light of the above statements, choose the most appropriate answer from the options given below : Endomembrane system includes _______________ .
