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Mitochondria
Mitochondria are eukariyotic cell organells.It is the site of aerobic respiration which generates energy stored in ATP's.They are also known as the power houses of the cell.
583 Questions
Why is there no mitochondria found in the bacteria cell?
Bacteria are prokaryotic organisms.Prokaryotes do not have mitochondria.
How does the mitochondria help the sperm cell move?
Schematic diagram of a sperm cell, showing the (1) acrosome, (2) cell membrane, (3) nucleus, (4) mitochondria, and (5) flagellum (tail)
A sperm cell, or spermatozoon, is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm with the chromosomal pairs "XX" and "XY". Sperm cells were first observed by Antoni van LeeuwenhoekAnton van Leeuwenhoek ( October 24, 1632 August 26, 1723) was a tradesman and scientist from Delft, in the Netherlands. He is best known for his contribution to improvement of the microscope and his contributions towards the establishment of cell biology. in 1679Events January 24 King Charles II of England disbands Parliament August 7 The brigantine Le Griffon which was commissioned by Rene Robert Cavelier, Sieur de La Salle, is towed to the southern end of the Niagara River, to become the first ship to sail the.
1 Sperm structure and sizeIndividual spermatozoa are highly differentiated cells, composed normally of a head, basal body (or midpiece), and tail. The head contains some cytoplasmCytoplasm is the viscid, semifluid matter contained within the plasma membrane of a cell that helps to hold the cell together. In contrast to the protoplasm, however, the cytoplasm does not include the cell nucleus. The watery or aqueous component of the and the nuclear material for fertilization. The basal bodyA basal body is a short cylindrical array of microtubules plus their associated proteins found at the base of a eukaryotic cell cilium or flagellum. Serves as a nucleation site for the growth of the axoneme. Closely similar in structure to a centriole. contains a large concentration of mitochondria that provide the energy for sperm motility through the production of ATP. The spermatozoan tail is typically a flagellum used for propulsion.
In humans, sperm cells consists of a head 5 µm by 3 µm and a tail 50 µm long. The tail flagellates, which propels the sperm cell. The cell is characterized by a minimum of cytoplasm.
2 Sperm productionMain article: Spermatogenesis
Sperm are produced in the seminiferous tubule s of the testes in a process called spermatogenesis. Round cells called spermatogonia divide and differentiate eventually to become sperm. During sexual intercourse the sperm is deposited in the vagina - and then it moves to the ovum.
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Are mitochondria n found in a prokaryotes cell?
No,they cannot be found.They are only found in eukariyotic cells
Why mitochondria have folded inner membranes?
Foldings increases surface area.So respiration can be done efficiently.
What happens to mitochondria during exercise?
When we exercise energy is needed to perform processes such as muscle contraction and nerve transmission. This energy comes in the form of the molecule adenosine triphosphate (ATP). In the cell, aerobic respiration converts glucose and oxygen into carbon dioxide and water to produce ATP. This occurs in many stages to gradually release this ATP energy from the glucose. When oxygen is unavailable or insufficient, such as during vigorous excerise, some ATP can be obtained from anaerobic respiration. This allows for a quick burst of energy such as when sprinting but produces the waste product lactic acid which causes muscle fatigue as it builds up. After exercise the lactic acid can be broken down with more oxygen.
Why do you think that muscle cells have many mitochondria?
Any cell that is going to require large amounts of energy in a short period of time will tend to have a high number of Mitochondria. This is because mitochondria produces the energy currency of the cell, adenosine triphosphate, which produces energy.
What is mitochondria involved in?
mitochondria is involved in generation of energy for the cell in the form of ATP so that it may carry out the life processes
How do you mitochondria in a sentence?
mitochondria have an inner and outer membrane.theinne membranehas many twists and folds(called cristae),which increase the surface area available to proteins.
What substance combines with sugar in the mitochondria?
Sugar reacts with oxygen to produce carbon dioxide and water and energy.
This energy is then used to combine adenosine-diphosphate and phosphate to produce adenosine-triphosphate.
Adenosine-triphosphate can then be used elsewhere in the cell to obtain energy by breaking it back down into adenosine-diphosphate and phosphate.
What has the same function as the mitochondria?
In eukaryotic cells the electron transfer chain of cellular respiration occurs in the inner membrane of the mitochondria however, prokaryotic cells lack a mitochondria and the electron transfer chain therefore occurs in the plasma membrane of the cell. One must remember that in prokaryotes 38 ATP are produced during cellular respiration. In eukaryotes 36 ATP are produced due to the loss of two ATP while traversing acrosst the mitochondrial membrane.
Mitochondria are organelles in the cytoplasm of cells that function in energy production.
Does the mitochondria produce ATP?
Yes, the mitochondria is known as the "powerhouse" of the cell because it is responsible for producing ATP through the process of cellular respiration. ATP is the primary energy source for cellular activities within the body.
Why does mitochondria have chloroplasts?
Mitochondria and chloroplasts play different roles in the cell. Mitochondria are responsible for producing energy in the form of ATP through cellular respiration, while chloroplasts are responsible for photosynthesis, converting light energy into chemical energy in the form of glucose. The presence of both organelles in plant cells allows for a complementary relationship, where photosynthesis can provide the energy needed for cellular respiration and vice versa.
Why do the mitochondria have folded internal membranes?
Mitochondria has a membrane because it is an organelle inside a cell. All eukaryotic cells have membrane-bound organelles. There is a membrane inside the mitochondria that is folded and this allows for more space for the it ATP to be formed. A person's brain is folded so more brain can fit within the skull. These two things are the same idea.
What do both chloroplast and mitochondria have the same?
Both chloroplasts and mitochondria have double membranes and their own DNA.
The Golgi apparatus is part of the endomembrane system
What do chloroplasts and mitochondria form with their own genetic information?
No. they actually have their own dna, independent of the rest of the cell.
Where are chloroplasts believed to have come from?
There is a theory that chloroplasts and mitochondrias were once a free living bacteria that came inside a eukaryotic cell and started a mutual relationship with the eukaryotic cell. The bacteria got to have a shelter, and in return, the eukaryotic is able to create more energy by mitochondrias, or be able to convert from co2 to o2. It is only a theory though.
What does a mitochondria use to make energy?
The mitochondria has 3 proton pumps (intramembranous proteins) situated in the inner membrane of the mitochondria. This membrane is between the matrix and the intermembranous space. By the help of electrons passing through the pumps, donated by NADH and FADH2, protons can be pumped to the interstitial space of the two membranes. This will increase the electrochemical gradient of protons between that space and the matrix. This electrochemical gradient created, will force protons to pass through an additional protein called ATPase. This ATPase will procure the kinetic energy produced by the movement of protons through its channel and use it to make ATP. ATP is a high energy molecule used by the body later as "batteries". In other words the Mitochondria doesn't release energy, it packages it for the rest of the body.
Is glucose or chlorophyll the simple sugar broken down in mitochondria?
Glucose is the main substrate used for respiration.So it can be considered as the 6C sugar.
Why do muscles have large number of mitochondria?
Because they are metabolically very active.They need a huge amound of energy for their activites.
