12 Questions
Robert Hooke, in 1665, first observed ______ in cork and coined the term 'cell'.
cells
The 19th century marked a period of significant advancement in the understanding of ______ and cellular structures.
cells
Matthias Schleiden and Theodor Schwann proposed the ______ theory, which stated that all living organisms are composed of cells.
cell
Eduard Buchner discovered ______ and demonstrated that they could catalyze reactions outside living cells.
enzymes
S.J.Singer and G.L.Nicolson formulated the ______ mosaic model in 1972.
fluid
Antonie van Leeuwenhoek made detailed observations of ______-celled organisms and bacteria.
single
The earliest recorded observations related to biological membranes can be traced back to the ______ and 18th centuries.
17th
Leeuwenhoek, using improved microscopes, made detailed observations of ______ organisms and bacteria.
single-celled
The 19th century marked a period of significant advancement in the understanding of cells and ______ structures.
cellular
With the development of biochemical techniques, scientists began to investigate the chemical composition of cells and their ______.
components
In 1895, Eduard Buchner discovered that enzymes could catalyze reactions ______ living cells.
outside
The formulation of the ______ mosaic model by S.J.Singer and G.L.Nicolson in 1972 was a significant milestone in the history of biological membranes.
fluid
Explore the early observations and contributions of scientists like Robert Hooke and Antonie van Leeuwenhoek that shaped our understanding of biological membranes. Learn about the discovery of cells and the development of microscopes that enabled these findings.
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