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What is unit membrane concept?

Important Questions on Cell

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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
A cell organelle containing hydrolytic enzymes is:
HARD
Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Nuclear envelope is a derivative of:
HARD
Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Select the correct matching in the following pairs:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which of the following statements is incorrect regarding biological membrane?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
In a chloroplast the highest number of protons are found in:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
The osmotic expansion of a cell kept in water is chiefly regulated by:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Proteins P, Q, and R are associated with an intact organellar membrane in a cell. If the intact organelle is treated with a high ionic strength buffer, only protein R remained associated with the membrane fraction. Based on this, one could conclude that:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Water-soluble pigments found in plant cell vacuoles are:
MEDIUM
Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which of the following pair of organelles does not contain DNA?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
At physiological temperature, sterols in biological membranes:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which of the following statements is not correct?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Select the mismatch.
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
The solid linear cytoskeletal elements having a diameter of 7 nm and made up of a single type of monomer are known as:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which among the following is not true for the endoplasmic reticulum?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Cellular organelles with membranes are:
MEDIUM
Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Microtubules are the constituents of:
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Life Science>Levels of Organisation of Life>Cell>Cell Membrane
Select the incorrect statements from the following
I) In plasma membrane, hydrophilic polar heads of lipids arrange towards the outside and the hydrophobic tail towards the inner side
II) In the plasma membrane, peripheral proteins lie on the surface of the membrane while the integrated proteins are not buried in the membrane
III) Neutral solutes may move across the membrane by the process of simple diffusion against the concentration gradient
IV) Polar molecules can pass through the non-polar lipid bilayer and do not require a carrier protein