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Cell Metabolism

We all use energy to survive. Metabolism is the total of all the chemical reactions an organism needs to survive, either plant or animal. Photosynthesis and glycolysis are necessary to life. These are intertwined with each other. There are a number of cycles involved, the basic one is the carbon cycle. There are also smaller cycles within the larger cycle.

212 Questions

Is lactate normal as an end product of anaerobic metabolism?

Yes. But we are not supposed to be anaerobic organism and this lactate will eventually converted into to carbon bi oxide and water to give us energy.

How does the body use protein when there are not enough carbohydrates or fats in the diet?

This is similar to a starvation period. In fact, glucose is the main metabolite of both brain and muscle. The body stores less than a day's supply of carbohydrate, thus, the less blood sugar resulting from even an overnight fast results, through an increase in glucagon secretion and a decrease of insulin secreted into blood current. With this events, fatty acids are movilized from adipose tissue and glucose uptake by muscle tissue is inhibited by insulin levels. Therefore, muscles switch from glucose to fatty acid metabolism for energy production. However, the brain remains heavily dependent on glucose.

In animal metabolism, glucose cannot be sinthesized from fatty acids, because neither pyruvate nor oxalacetate, the precursors of glucose in gluconeogenesis pathway, can be sinthesized from acetyl-CoA . During starvation, glucose therefore must be sinthesized from the glycerol product of triacylglycerol breakdown and, more importantly, from the amino acids derived from the proteolytic degradation of proteins mainly from muscles. The continued breakdown of muscle proteins during long starvation periods would ensure that this process became irreversible since a large muscle mass is essential for an animal to move about in search of food.

What are the special structures in the cell that allow materials such as water and sugar to pass through?

The cell membrane is the special structure that allows materials to pass through, utilizing channels and transport proteins to facilitate the movement of water and sugars in and out of the cell. This selective permeability helps regulate the internal environment of the cell and maintain homeostasis.

Does the cell wall prevent the cell from bursting?

Yes, the cell wall provides structural support and helps maintain the shape of the cell, preventing it from bursting under internal pressure. It acts as a protective barrier that allows the cell to withstand changes in osmotic pressure.

What must be present for maximum amount of ATP to be produced in cellular metabolism?

For the maximum amount of ATP to be produced in cellular metabolism, the presence of oxygen (aerobic conditions) is essential. This allows for the most efficient generation of ATP through oxidative phosphorylation in the electron transport chain. Additionally, an ample supply of substrate molecules (such as glucose or fatty acids) and functional mitochondria are required for optimal ATP production.

The organelle that is involved in directly recycling the material is the?

lysosome. Lysosomes are responsible for breaking down and recycling cellular waste and debris, including old organelles and foreign material engulfed by the cell. They contain enzymes that help break down these materials into smaller components that can be reused by the cell.

What is it called when energy is released when mitochondria break down glucose in a process?

The process in which energy is released when mitochondria break down glucose is called cellular respiration. During this process, glucose is oxidized, and energy is produced in the form of adenosine triphosphate (ATP). Cellular respiration primarily consists of glycolysis, the citric acid cycle, and the electron transport chain.

What is the essential ingredient for cell metabolism?

The essential ingredient for cell metabolism is oxygen. Cells require oxygen to efficiently convert nutrients into energy through a process called cellular respiration. Without oxygen, cells would not be able to produce the energy needed to carry out their functions.

Watery material which contains may of the materials involved in cell metabolism?

Cytoplasm is the watery material within a cell that contains various molecules and organelles involved in cell metabolism, such as enzymes, nutrients, and ions. It plays a critical role in supporting cellular processes and maintaining cell structure.

What is the watery material which contains many materials involved in cell metabolism?

Cytoplasm is the watery material within cells that contains various materials involved in cell metabolism, such as enzymes, ions, and nutrients. It plays a key role in supporting cellular processes by providing a medium for chemical reactions to occur and facilitating the transport of molecules within the cell.

Speculate the importance of diffusion in cell metabolism?

Diffusion plays a crucial role in cell metabolism by allowing the transport of molecules such as oxygen, nutrients, and waste products across cell membranes. This process facilitates the uptake of essential molecules needed for cellular functions and the removal of waste products, enabling metabolic processes to occur efficiently. Without diffusion, cells would not be able to maintain the necessary chemical gradients required for proper metabolism to take place.