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Start learning 50% faster. Sign in now• E Gorter and F Grendel made a breakthrough by examining the surface area of lipids and concluded that the lipid surface surrounding cells must be of two layers in the year 1925. Their experiment involved extracting lipids from red blood cells and then spreading them out on a water surface to form a monolayer. •They then measured the area of the monolayer and found that it was twice the area of the surface area of the red blood cells. • This led them to conclude that the lipid bilayer model of the cell membrane must be correct. • Gorter and Grendel's work was a major breakthrough in the understanding of cell structure and function. • It helped to establish the lipid bilayer model of the cell membrane, which is still the accepted model today.
One can distinguish a telescope from a microscope by observing –
Which of the following is true about the digestion process of the Paramecium ?
I. Food is taken in at a specific spot.
II. Food is moved ...
Identify the third germinal layer found in triploblastic animals.
Which of the following metals can displace hydrogen from dilute acids?
In which part of the chloroplast does the light reaction occur?
An object of mass 2 kg is lifted vertically through a distance of 1.5 m. The work done in process is
Which one of the following physical quantities is the same for molecules of all gases at a given temperature?
An ideal gas expands into vacuum in an insulated container. Then:
Cathode rays when obstructed by metal cause emission of -
A man cannot see clearly beyond 10 meters. The disease he suffers from :
