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The movement of molecules from an area of lower concentration to the area of a higher concentration, with the expenditure of energy
The structural and functional unit of life.
A thin and elastic membrane covering the cytoplasm of all prokaryotic and eukaryotic cells
One of the most fundamental education about cells, proposed by Schleiden and Schwann
The non-living and strong component of the cell, located outside the cell membrane, in plants, fungi, prokaryotes, and many protists
The hollow and cylindrical organelles present in the cells of animals and many unicellular organisms
The green plastids found in plants and many protists; involved in photosynthesis
The plastids with pigments of bright colors: are present in flower petals, fruits, etc.
Animal tissue that supports and binds other tissues
The semi-viscous and semi-transparent substance present between the plasma membrane and the nuclear envelope
The movement of molecules from an area of their higher concentration to the area of lower concentration
The network of channels that extends from plasma membrane to the nuclear envelope
Animal tissue that covers the outside of the body and lines organs and cavities
The movement of the molecules from higher to lower concentration with the help of transport proteins
The set of flattened sac-like structures called cisternae; found in animal and plant cells; are involved in cell secretions
The solution in which more solute is present
The solution in which less solute is present
The solutions, which have equal concentrations of solutes
The colorless plastids in the cells of those plant parts where food is stored
The single-membrane bound organelles have strong digestive enzymes
The double membrane-bounded structure in eukaryotes; is involved in cellular respiration
Animal tissue is composed of cells with the ability to contract
The most prominent organelle in the eukaryotic cells; controls all cell activities
The movement of water molecules from a solution of lesser solute concentration to a solution of higher solute concentration, across a semi-permeable membrane
Microscopic structure which does a particular job in a cell, e.g. the nucleus.
The movement of materials without any expenditure of energy
The phenomenon in which cell takes in solid materials in bulk
The phenomenon in which a cell takes in liquid materials in drops
The shrinking of cell due to loss of water
The membrane-bound organelles in plants and many protists
Tiny granular structures in the cells; either floating freely in the cytoplasm or bound to the endoplasmic reticulum, involved in protein synthesis
The structure that allows a very few molecules to cross it and checks the majority of molecules to cross
The pressure of the internal water on cell wall
Group of cells of the same type doing a particular job, e.g. the glandular tissue, muscular tissue, nervous tissue etc
Part of the cytoskeleton; made of actin proteins
Part of the cytoskeleton; made of tubulin proteins
A fluid-filled organelle, bounded by a single membrane
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