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What attaches a protein to catalyze a metabolic reaction?
A cofactor or coenzyme can attach to a protein to help catalyze a metabolic reaction by facilitating the reaction or acting as a carrier of chemical groups. These molecules can be inorganic ions, organic molecules, or other proteins that work together with the protein to enable the reaction to occur.
Is the nucleus the site of protein assembly?
No. The protein assembly, or protein synthesis, is taking place in the cytosol, particularly in the ribosomes.
What function does the cytosol do in a cell?
semifluid medium of a cell's cytoplasm.The cytosol has no single function and is instead the site of a wide variety of cell processes. Examples of these processes include signal transduction from the cell membrane to sites within the cell, such as the cell nucleus,[51] or organelles.[52] This compartment is also the site of many of the processes of cytokinesis, after the breakdown of the nuclear membrane in mitosis.[53] Another major function of cytosol is to transport metabolites from their site of production to where they are used. This is relatively simple for water-soluble molecules, such as amino acids, which can diffuse rapidly through the cytosol.[14] However, hydrophobic molecules, such as fatty acids or sterols, can be transported through the cytosol by specific binding proteins, which shuttle these molecules between cell membranes.[54][55] Molecules taken into the cell by endocytosis or on their way to be secreted can also be transported through the cytosol inside vesicles,[56] which are small spheres of lipids that are moved along the cytoskeleton by motor proteins.[57] The cytosol is the site of most metabolism in prokaryotes,[6] and a large proportion of the metabolism of eukaryotes. For instance, in mammals about half of the proteins in the cell are localized to the cytosol.[58] The most complete data are available in yeast, where metabolic reconstructions indicate that the majority of both metabolic processes and metabolites occur in the cytosol.[59] Major metabolic pathways that occur in the cytosol in animals are protein biosynthesis, the pentose phosphate pathway, glycolysis and gluconeogenesis.[60] The localization of pathways can be different in other organisms, for instance fatty acid synthesis occurs in chloroplasts in plants[61][62] and in apicoplasts in apicomplexa.[63]http://en.wikipedia.org/wiki/CytosolTo suck the sperm and urine out of the dickthe function is to save the cell from dirt and germs.
What stages take place in cytosol?
In the cytosol, various stages of protein synthesis occur, including transcription, translation, and post-translational modifications. It is also involved in the breakdown of molecules through processes like glycolysis and the citric acid cycle. Additionally, the cytosol serves as a medium for the transportation of molecules within the cell.
Cytoplasmic streaming visible in the elodea cells?
Myosin (thick filaments made of protein) attached to organelles in the fluid cytosol (the streaming part of the cytoplasm) drive cytoplasmic streaming by interacting with the carpet of parallel actin filaments present within the cytosol.
What attaches a protein to catalyze a metabolic reaction?
A cofactor or coenzyme can attach to a protein to help catalyze a metabolic reaction by facilitating the reaction or acting as a carrier of chemical groups. These molecules can be inorganic ions, organic molecules, or other proteins that work together with the protein to enable the reaction to occur.
What constitutes cyotsol?
The cytosol is the liquid portion of the cytoplasm that surrounds the organelles within a cell. It contains enzymes, ions, and nutrients necessary for cellular processes. The cytosol is where many metabolic reactions take place, such as glycolysis and protein synthesis.
Is the nucleus the site of protein assembly?
No. The protein assembly, or protein synthesis, is taking place in the cytosol, particularly in the ribosomes.
What are characteristics of cytoplasm?
The cytoplasm is the fluid in that fills in the space between the cell membrane and the organelles. One of the elements that make up the cytoplasm is cytosol. The cytosol is the place of most metabolism occurs. Metabolic pathways that occur in the cytosol include those such as glycolisis and and protein biosynthesis. The cytosol makes up about 70% of the volume of a cell. The cytoplasm also contains inclusions (cytoplasmic inclusions) which are small particles, such as small quantities starch and glycogen, that are suspended in the cytoplasm.
What is the site of protein synthesis that is suspended in they cytosol and produces proteins in the cell?
Ribosomes
What is a type of protein or RNA molecule that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed?
Enzymes are biological catalysts that speed up metabolic reaction rates by lowering the reaction's activation energy. Proteins and RNA molecules can both function as enzymes.
What is the site of protein synthesis that is suspended in the cytosol and produces proteins for use within the cell?
Ribosomes are the site of protein synthesis that is suspended in the cytosol. They produce proteins for use within the cell by translating mRNA into amino acid sequences.
Proteins are synthesized at what organelle in the cytosol?
The Ribosomes. The "Work Benches" of the protein synthesis.
What organelle in the cytosol are proteins synthesized?
Proteins are synthesized in ribosomes, which can be found in the cytosol of a cell. Ribosomes are responsible for translating the genetic information from mRNA into protein molecules.
What is the metabolic function of protein?
amino acid and glycerol
When is a protein considered an enzyme?
When it has the potential to facilitate a chemical reaction; to make it faster. The structure of enzyme-proteins can accelerate a chemical reaction by bringing reactants together by its binding, confinement properties, among others. Structure can indeed easily code for function.
What do a enzymatic protein do?
enzymatic proteins give you metabolic traits.
