Membrane bound nucleus is present in Eukaryotes
A single-stranded transcript that is a copy of part of the DNA template.
1. The microorganism needs to be present in all cases of the disease.
2. Isolate the microorganism from the diseased host and grow in pure culture.
3. Infection with the pure culture causes the disease in healthy host.
4. Re-isolated the same microorganism from the infected host.
Subunit: Amino acids (AA), 20 different naturally occuring forms
Proteins act as toxins
*Sequence or order of amino acids
*Function of the protein is dependent on AA sequence or 1 structure
Protein (Quaternary structure)
*Common source of structure and energy storage
*Part of the composition of nucleic acids and bacterial cell envelope
*Glucose, fructose, galactose
*Ribose and deoxyribose
*Two monosaccharides joined
*Most common ones in nature: glucose, galactose(lactose) and table sugar
*Polymers of monosaccharides
*Examples: starch, cellulose
*Composed of 3 units
*DNA and RNA
*Contains Carbon, Hydrogen and Oxygen
*Composed of fatty acids and glycerol
*A variety of substances that are not soluble in polar substances (Insoluable in water)
*Two fatty acid tails (Hydrophobi-water hating)
*Phosphate head (Hydrophillic-water loving)
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