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Why do most tissues have a greater supply of capillaries than veins and arteries?
Capillaries service cells, arteries and veins transport blood to and from capillaries, respectively.
When does the muscle of the heart gets is blood supply?
Of course heart muscles need a blood supply for the cellular respiratory process as the blood carries the final electron acceptor oxygen which is key to oxidative phosphorylation in humans.
What time does Texas Art Supply close?
The arts supply store, Texas Art Supply closes at 7 pm daily. The art supply store is located in Houston, Texas.
How does the blood transport nutrients to the different parts of the body?
Your heart pumps the blood to all parts of the body through the arterial system. There are progressively smaller and smaller branches of the arteries to supply the oxygen and nutrients to all the cells of the body. It will be very interesting to visualize the three dimensional view of the micro-circulation.
Why is a power supply like a human heart?
A power supply is not like a human heart.
Does Electron Transport supply or store energy?
The purpose of the Krebs cycle is to produce ATP or create molecules that will create ATP in the electron transport chain (NADH and FADH2)
How is it that the light reactions do not run out of electrons?
The light reactions of photosynthesis involve a continuous flow of electrons through the electron transport chain, which is replenished by splitting water molecules to release more electrons. This process ensures a constant supply of electrons to keep the reactions running.
Does the electron transport supply energy or store energy?
yes
Why don't chlorophyll molecules run out of electrons?
Chlorophyll molecules do not run out of electrons because during the process of photosynthesis, they receive electrons from water molecules, which are continuously being split to release electrons. This continuous flow of electrons helps chlorophyll molecules maintain their electron supply.
Why does your body need a continuous supply for oxygen?
Your body needs a continuous supply of oxygen due to the biochemical process of aerobic cellular respiration. During the last stage, called the electron transport chain, electrons are transferred along a series of chemicals called electron acceptors. As this occurs, energy is given off to produce molecules of ATP, the energy storage molecule of living things. Oxygen is the last electron acceptor, and once it gains the electrons it bonds with hydrogen to form water, removing the oxygen from the electron transport chain. If a new oxygen atom does not take its place immediately, the electron transport chain shuts down, and your cells will not be able to produce enough ATP to fuel their cellular processes, and they will die, and so will you. So you need a constant supply of oxygen in order to keep the electron transport chain working and producing enough energy (stored in ATP) for survival.
Where do the supply of electrons come from in photosynthesis?
The supply of electrons in photosynthesis comes from water molecules. This process, known as photolysis, occurs in the light-dependent reactions of photosynthesis. Water molecules are broken down into oxygen, protons, and electrons, with the electrons being used to replenish the electrons lost in the photosystem II reaction center.
Why would a decreased supply of oxygen result in decreased ATP production?
A decreased supply of oxygen leads to decreased ATP production because oxygen is the final electron acceptor in the electron transport chain, which is essential for generating ATP through oxidative phosphorylation. Without adequate oxygen, the electron transport chain cannot function optimally, resulting in reduced ATP production.
A rabbit is running away from an approaching hawk. Which part of cellular respiration will provide the rabbit with most of energy it needs to escape?
The electron transport chain provides the most energy.
Which structure is responsible for breaking down sugar molecules in order to supply energy to the cell?
The structure responsible for breaking down sugar molecules to supply energy to the cell is the mitochondrion. Often referred to as the "powerhouse of the cell," mitochondria convert glucose and oxygen into adenosine triphosphate (ATP) through cellular respiration. This process involves glycolysis in the cytoplasm and the citric acid cycle and electron transport chain within the mitochondria. ATP serves as the primary energy currency for cellular activities.
What happens to the electron transport chain if oxygen is lacking?
The organism dies as no energy for even the simplest things, such as respiration and brain command, is available. Only in muscle cells can the organism switch to glycolysis for ATP production. The brain cells can not preform glycolysis.
How fermentation and respiration similar?
respiration and fermentation both extract energy from food
Why is electron gain enthalpy of inert gases positive?
The electron gain enthalpy of inert gases (group 18) is positive because their electron shells are already filled with electrons, making it difficult to add additional electrons due to strong electron-electron repulsions. Adding an electron to an inert gas would disrupt the stable electron configuration, requiring significant energy input. This leads to a positive electron gain enthalpy for inert gases.
