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Which bonds are affected during blow drying and setting?
Hydrogen bonds in the hair are temporarily broken by heat during blow drying and setting. When the hair cools down, the hydrogen bonds reform in the new shape, helping to set the hair in the desired style.
Are enzymes still functional after losing their shape?
enzymes are still functional after losing their shape as they depend onn their shape
What structural level is hydrogen bonds ionic bonds hydrophobic interactions but no covalent disulfide bridges can hold the protein?
The structural level described is the tertiary structure of a protein. This level involves the overall three-dimensional shape formed by the folding of the polypeptide chain, stabilized by various interactions such as hydrogen bonds, ionic bonds, and hydrophobic interactions. While disulfide bridges are important for stabilizing tertiary structures, their absence suggests that the protein's stability relies on these other types of interactions.
Does water molecule have sphere shape?
No, a water molecule does not have a spherical shape. It has a bent, angular structure due to the arrangement of the two hydrogen atoms and one oxygen atom bonded together. This bent shape gives water its unique properties such as polarity and the ability to form hydrogen bonds.
How does mechanical agitation denature protein?
Mechanical agitation denatures proteins by disrupting their tertiary and quaternary structures through physical forces like shear stress and turbulence. This process unfolds the protein chains, causing them to lose their functional shape and alter their chemical properties. As the protein structure breaks down, the hydrogen bonds and hydrophobic interactions that maintain its shape are disrupted, leading to aggregation or precipitation. Ultimately, denatured proteins can lose their biological activity and functional properties.
What type of bonding is responsible for maintaining the shape of the tRNA molecule?
Hydrogen bonding is responsible for maintaining the shape of the tRNA molecule, particularly between complementary base pairs. These hydrogen bonds help stabilize the secondary and tertiary structure of the tRNA, which is important for its function in protein synthesis.
Why are hydrogen bonds important in biology?
Hydrogen bonds are important in biology because they help to stabilize the structures of molecules like DNA and proteins. They play a crucial role in maintaining the shape and function of biomolecules. Additionally, hydrogen bonds are involved in processes like protein folding, enzyme-substrate interactions, and cell signaling.
What forces and bonds maintain the three dimensional folded shape of a protein molecule?
hydrogen bonds
What holds a 3D shape in a protein?
Proteins, have a 3D shape because the amino acids are arranged in a helix (not a double-helix like DNA). The spiral is made because of the negative and positive poles in an amino acid. The positive pole drags the polypeptide to a negative pole at a different point in the chain.
If a protein had its hydrogen bonds broken would it function properly?
If a protein's hydrogen bonds are broken, its structure may be disrupted, leading to a loss of function. Hydrogen bonds are important for maintaining the specific shape and stability of proteins, and any disruption in these bonds can alter the protein's ability to bind to other molecules or carry out its biological function.
What bonds usually hold large molecules in their 3-dimensional shape teriary structure?
Hydrogen Bonds
What kind of bonds control the tertiary form of large molecules?
In the tertiary structure of large molecules, such as proteins, the main types of bonds that stabilize the structure are hydrogen bonds, disulfide bonds, ionic bonds, and hydrophobic interactions. These bonds help maintain the unique three-dimensional shape of the molecule, which is crucial for its function.
A denatured protein or DNA molecules has lost what?
A denatured protein or DNA molecule has lost its native structure. This can be due to factors such as heat, pH changes, or chemical agents, resulting in the disruption of the non-covalent bonds that maintain the molecule's shape and function.
What types of bonds hold the 3d shape of a protein together?
The types of bonds that hold the 3D shape of a protein together are primarily hydrogen bonds, ionic bonds, disulfide bonds, and hydrophobic interactions. These bonds contribute to the stability and structure of the protein molecule.
Is tetrahedral shape the most efficient when hydrogen and carbon atoms bond?
Yes, a tetrahedral shape is the most efficient when carbon bonds with hydrogen atoms. This shape allows for the optimal arrangement of electron pairs around the carbon atom, resulting in stable and strong C-H bonds.
Which bonds often bind different parts of a molecule into a specific three dimensional shape?
Hydrogen
Which aspects of protein structure are stabilized or assisted by hydrogen bonds?
Hydrogen bonds stabilize the secondary structure of proteins, such as alpha helices and beta sheets, by forming between the backbone amide groups. They also help in maintaining the tertiary structure by forming between side chains of amino acids to hold the protein in its functional 3D shape. Hydrogen bonds play a crucial role in protein folding and maintaining overall stability.
