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Why does starch turn blue in the presence of iodine?
Iodine forms a complex with the helical structure of starch, causing a color change to blue or black. This occurs due to the formation of inclusion compounds where iodine molecules fit into the spaces between glucose units in the starch molecule.
What is the size of CO molecule?
The size of a CO (carbon monoxide) molecule is approximately 0.13 nanometers in diameter.
What is a chain molecule made up of repeated units?
A chain molecule is made up of repeated units called monomers that are covalently bonded together to form a polymer. The repetitive units provide the polymer with its unique physical and chemical properties, making it a versatile material for various applications.
The smallest part of a molecule is what?
The smallest part of a molecule is an atom. Atoms are the basic units of matter and are composed of protons, neutrons, and electrons.
What term is defined as a molecule by bonding of two monosaccharide?
disaccharide
What is a very long helical molecule made of units with distinctive R-groups?
A very long helical molecule made of units with distinctive R-groups is a protein. Proteins are composed of amino acid units linked together by peptide bonds, with each amino acid having a unique side chain or R-group that gives the protein its specific structure and function. The helical structure in proteins, such as the alpha helix in secondary structure, is essential for their biological activity and stability.
Why does starch turn blue in the presence of iodine?
Iodine forms a complex with the helical structure of starch, causing a color change to blue or black. This occurs due to the formation of inclusion compounds where iodine molecules fit into the spaces between glucose units in the starch molecule.
Cellulose molecules have what shape?
Cellulose molecules have a linear shape, with a repeating chain of glucose units bonded together.
Are the repeating units in a molecule of DNA identical?
No
What are the sub units for a fat molecule?
Amino Acids
How much mass does a water molecule have?
Approximately 18.16 units
What the structure of a molecule have a molecular weight of 22?
A molecule weighing 22 units can be constructed with one atom of carbon and four atoms of hydrogen. This is a methane molecule that normally would weigh 16 units. However, if two hydrogens are deuterium (2 units each) and two atoms of hydrogen are tritium (3 units each), the molecular weight comes out to 22 units.
What units make up The backbone of the DNA molecule?
The backbone of the DNA molecule is composed of alternating sugar (deoxyribose) and phosphate units. These sugar-phosphate units are connected by phosphodiester bonds to form the backbone of the DNA strand.
Which units would be appropriate to measure the size of a single molecule?
Nanometers
What units found on a DNA molecule that contain control traits?
Alleles
What are the small units that make up a rna molecule called?
Ribosomes
What is the size of CO molecule?
The size of a CO (carbon monoxide) molecule is approximately 0.13 nanometers in diameter.
