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How does the arrangement of the cristae in the inner membrane of the mitochondria affect the rate of aerobic respiration?
The rate of aerobic respiration in the mitochondria is dependent on the surface area of the cristae because energy potential is built up through the pumping of hydrogen ions across the membrane. With more membrane surface area, there is more energy production and storage capacity so the rate of aerobic respiration may increase.
Where does aerobic and anerobic respiration take place?
Aerobic refers to action where oxygen is able to be introduced. Anaerobic refers to a lack of oxygen. Aerobic exercise is a physical activity that allows the participant to breathe and replenish their supply of oxygen such as long distance running. Anaerobic exercise uses oxygen faster than the body is able to replenish it. The cells use any stored oxygen but have to operate without their supply being replenished for a short time. Sprinting would be an anaerobic activity.
How might an organism benefit by carrying Out fermentation instead of cellular respiration?
Organisms prefer cellular respiration over fermentation.Cellular respiration gains a cell 38ATP molecules per every glucose molecule.Fermentation only gains 2ATP per glucose molecule.Obviously, you can see the difference. Cellular respiration provides much more energy for the cell, and this is why they prefer this over fermentation.There are organisms like facultative anaerobes that can preform either process, but they do cellular respiration if oxygen is available. These organisms only preform fermentation if they are in an "oxygen debt." (Like when you run, you are using a lot of energy, and you cannot get enough oxygen for cellular respiration. You are in "oxygen debt," and your muscle cells start doing fermentation. But your muscle cells prefer using aerobic reparation (cellular respiration) so you start panting. Once you get your breath back, oxygen is restored and your cells again preform cellular respiration and get more energy faster.)However, there are still obligate anaerobes that are poisoned by oxygen, and only use fermentation.Hope this helped!!
Why cells switch from aerobic to anaerobic during a race?
thise is because during exercise your body demands oxygen (obviously) and your energy systems will not " switch over" beause all energy systems are actually being used however during a race eg. marathon , your body will go through high and lows so your aerobic energy system will start off as the main provider than as you relax and get in to the race your anerobic system will kick in however when this fatigues you will begin to speed up because your aerobic system starts up again . try looking at energy systems ATP-PCR / LACTIC ACID SYSTEM and creatine phosphate.
What will happen when you increase the temperature of respiration?
Increasing the temperature of respiration will lead to an increase in the rate of metabolic reactions, including cellular respiration. This can result in faster breakdown of glucose to produce energy (ATP) and heat. However, at very high temperatures, enzymes involved in the respiration process can become denatured, leading to a decline in respiration efficiency.
Give two reasons why it is better for human muscle cells to produce energy through aerobic respiration than through anaerobic respiration?
Aerobic means "with oxygen" and anaerobic means "without oxygen." Cells produce energy at a might higher and faster rate with oxygen than without.
What is the relationship between the strength of your heart and aerobic respiration?
As heart beats faster, it uses more and more energy to and sends more oxygen to body, When heart beats faster to pump more oxygen to the muscles, brain signals lungs to inhale and exhale with the greater frequency, thus obtaining more and more oxygen, this process of the oxygen based energy production is called aerobic respiration.
How does the arrangement of the cristae in the inner membrane of the mitochondria affect the rate of aerobic respiration?
The rate of aerobic respiration in the mitochondria is dependent on the surface area of the cristae because energy potential is built up through the pumping of hydrogen ions across the membrane. With more membrane surface area, there is more energy production and storage capacity so the rate of aerobic respiration may increase.
Why does your body use anaerobic respiration?
Your body uses anaerobic respiration when there is not enough oxygen available to produce energy through aerobic respiration. Anaerobic respiration produces energy quickly but less efficiently, resulting in the accumulation of lactic acid as a byproduct which can cause muscle fatigue and soreness.
Why does a person breath faster during exercise than during sleep?
To do work, energy is required. This is got mainly through aerobic respiration in the form of ATP. During respiration, therefore, respiratory rate has to be increased. This is done bey larger supply of oxygen.
What is anaerobic respiration respiration?
In plant and animal cells, it is a process in which energy is released from food molecules such as glucose without requiring oxygen. Some aerobic plants and animals are able to use anaerobic respiration for short periods of time. For example, during a sprint, human muscles can respire anaerobically.Unfortunately, lactic acid is produced and accumulates until the muscles cannot continue working. Anaerobic respiration in humans is less efficient than aerobic respiration at releasing energy, but releases energy faster. This explains why humans can run faster in a sprint than over longer distances. When humans stop after a sprint, they have to continue breathing more heavily for a while. This is to take in extra oxygen in order to break down the accumulated lactic acid on top of the normal breakdown of sugar in aerobic respiration. The body is paying back the oxygen debt built up during the sprint. . Anaerobic respiration is the process by which non-oxygen dependent organisms breath. It is mostly commonly used in the process of fermentation. Anaerobic respiration is respiration that uses electron acceptors other than oxygen. Anaerobic respiration can be found in protozoans and bacteria.Anaerobic respiration is a type of cellular respiration. It occurs when oxygen is not available or is available in very low quantities.It is also a respiration in the absence of oxygen. Oxygen is not used as the final electron acceptor.
Why does the heart muscle need more oxygen during exercise?
The heart uses more oxygen during exercise because it is beating harder and faster. This increased rate/contractility require more energy. The greatest amount of energy is generated under aerobic respiration. Aerobic respiration uses oxygen as a final electron receptor in the electron transport chain which it uses to generate ATP (which the cells use for energy). Bottom line - more oxygen is used because more energy is needed.
What is similar to respiration but happens more quickly?
Glucose and oxygen react together in cells to produce carbon dioxide and water and releases energy. The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Energy is released in the reaction. The mitochondria , found in the cell cytoplasm, are where most respiration happens.
Is biking aerobic or anaerobic?
cyling is aerobic couse when you ride up and down hills you use up energy
Sustained muscle activity may consume ATP faster than aerobic respiration can produce it in such circumstances ATP can be made by combining ADP with phosphate groups borrowed from?
phophocreatine
Does horse riding involve aerobic or anaerobic respiration?
its actually an anaerobic sport mainly working your leg muscles and core
Why are there more mitochondria found in the muscles of the endurance athlete?
More mitochondria is found in the muscles of an endurance athlete than a sprinter. This happens beacuse Mitochondria is the powerhouse of the cell(in this case the muscle cell) and therefore produces usable energy supply for the cells through respiration. Energy produced is in the form of ATP(Adenosine triphosphate). For the cell respiration to happen faster in the cells and the cells to produce enregy (ATP) more mitochondria is needed beacuse an endurance athletes needs more energy.
