It is to carry out electron transport chain. The last step of respiration
The folds of the inner sac (cristae) in mitochondria provide an increased surface area for the enzymes and other proteins involved in the electron transport chain and ATP synthesis to be located, allowing for more efficient energy production.
The conjunctiva is a sac that lines the inner surface of the eyelids and covers the white part of the eye (sclera). It helps lubricate the eye and protect it from foreign particles and infections.
The sac consists of two layers, the parietal (outer) and visceral (inner) layer
The pericardial sac is lined with a double-layered membrane called the serous pericardium. The inner layer is the visceral pericardium (or epicardium) which is in contact with the heart, and the outer layer is the parietal pericardium which is attached to the surrounding structures.
ascus
The folds of the inner sac (cristae) in mitochondria provide an increased surface area for the enzymes and other proteins involved in the electron transport chain and ATP synthesis to be located, allowing for more efficient energy production.
The sac consists of two layers, the parietal (outer) and visceral (inner) layer
this is called the placenta
-- The doctor
The conjunctiva is a sac that lines the inner surface of the eyelids and covers the white part of the eye (sclera). It helps lubricate the eye and protect it from foreign particles and infections.
The inner cell mass (ICM) produces three embryonic membranes, the amnion, allantois, and the yolk sac.
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The sac consists of two layers, the parietal (outer) and visceral (inner) layer
The amniotic sac is the sac in which the fetus develops in amniotes. Its wall is the amnion, the inner of the two fetal membranes. It encloses the amniotic cavity and the embryo.
The sub preputial sac are located in the folds of the skin in front of the genitals of some mammals that produce pheromones. These are exocrine glands, the female animals are called the clitoral glands.
The inner most membrane is the fluid filled amniotic sac, next is the yolk sac, where the first blood cell originates. The allantois forms near the yolk sac, while the chorion surrounds all the other ones.
The pericardial sac is lined with a double-layered membrane called the serous pericardium. The inner layer is the visceral pericardium (or epicardium) which is in contact with the heart, and the outer layer is the parietal pericardium which is attached to the surrounding structures.