What do the cristae in the mitochondria contain?
What do the cristae in the mitochondria contain?
The inner membrane forms invaginations, called cristae, that extend deeply into the matrix. The crista lumen contains large amounts of the small soluble electron carrier protein cytochrome c. The mitochondrial cristae are thus the main site of biological energy conversion in all non-photosynthetic eukaryotes.
What happens in the Cristae during cellular respiration?
the inner mitochondrial membrane: organizes the electron transport chain and holds ATP synthase, the cristae: expand the surface area of the inner mitochondrial membrane, enhancing its ability to produce ATP, and. the matrix: site of ATP synthesis and the location of the Krebs cycle.
What reaction occurs in the Cristae?
The electron transport chain occurs in the cristae of the mitochondria. This is the final portion of cellular respiration in which electrons from NADH…
What is the function of cristae in mitochondria Class 9?
Cristae is the compartment in the inner mitochondrial membrane that expands the surface area of the inner mitochondrial membrane, enhancing its ability to produce ATP. Cristae are studded with F1 particles or oxysomes.
Does an egg cell have mitochondria?
In humans, the mature egg cell, or oocyte, contains the highest number of mitochondria among human cells, ranging from 100,000 to 600,000 mitochondria per cell, but each mitochondrion contains only one copy of mtDNA.
What does the mitochondria do in an egg cell?
The acrosome in the head contains enzymes so that a sperm can penetrate an egg. The middle piece is packed with mitochondria to release energy needed to swim and fertilise the egg.
Why Mitochondrial DNA is maternally inherited?
Maternal inheritance also gave rise to the idea that there exists a “Mitochondrial Eve,” a woman from whom all living humans inherited their mitochondrial DNA. Large structures called autophagosomes, for instance, are known to engulf paternal mitochondria shortly after a sperm penetrates an egg.