Mitochondria are found in nearly all eukaryotic cells, including
those of plants, animals, fungi, and most unicellular
eukaryotes. Some cells have a single large mitochondrion, but more often a cell has hundreds or even thousands of
mitochondria; the number correlates with the cell’s level of
metabolic activity. For example, cells that move or contract
have proportionally more mitochondria per volume than
less active cells.
Each of the two membranes enclosing the mitochondrion
is a phospholipid bilayer with a unique collection of
embedded proteins. The outer membrane
is smooth, but the inner membrane is convoluted, with
infoldings called cristae. The inner membrane divides the
mitochondrion into two internal compartments. The first
is the intermembrane space, the narrow region between the
inner and outer membranes. The second compartment, the
mitochondrial matrix, is enclosed by the inner membrane.
The matrix contains many different enzymes as well as the
mitochondrial DNA and ribosomes. Enzymes in the matrix
catalyze some of the steps of cellular respiration. Other proteins
that function in respiration, including the enzyme that
makes ATP, are built into the inner membrane. As highly
folded surfaces, the cristae give the inner mitochondrial
membrane a large surface area, thus enhancing the productivity
of cellular respiration.
source
Mitochondria Structure and Function | Biology Class 9th and 11 lecture | (The power house of cell)
What is meaning of ATP
Whoes altman in 1886
Excellent teaching sir
Sir g F1 particles ka nahi btaya
Sir what is F1 F0 particules and what's the function?
Sir aapke board ka word a6e se ni dikh rha h
Next video me dhyan de
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Ty
Short and effective lecture 😃 thank you sir 🙇
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Sir is there is CIRCULAR DNA
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Mast laga mereko TQ sir
Thank u sir for explaining this topic very well
U didnot describe the whole inner membrane , f1 particles , cristae etc
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Sir kolliker 1st observed it in 1880 ..am I right ??
Zabardust lectures
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Sir single bacteria ko mitochondria nahi ke te ha. Correct your word.
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