Cholesterol is considered as a crucial molecule in animals because it is
Necessary for survival
Energy source
Helps in hydrolysis of glycogen
Source of many vertebrate hormones and other steroids
Related Questions
Select the correct constituents of protein
Carbon, hydrogen, oxygen and nitrogen
Carbon, hydrogen, nitrogen and sulphur
Carbon, hydrogen, nitrogen, oxygen and sulphur
Carbon, hydrogen and oxygen
After grinding a living tissue in trichloroacetic acid and then straining it, you would obtain two fractions : acid soluble pool and acid insoluble fraction. Acid insoluble fraction does not contains
Nucleic acids
Polysaccharides
Lipids
Flavonoids and alkaloids
The aggregation of the various kinds of biomolecules in a cell is referred to as the
Acid soluble pool
Acid insoluble pool
Cellular pool
None of the above
Primary metabolites play known roles in
Ecology
Chemical process
Human welfare
Physiological process
Secondary metabolites can be observed in
Plant cells
Fungal cells
Microbial cells
All of these
The most abundant molecule in cell, is
Water
Carbohydrate
Lipid
Protein
In animal tissues, the categories of compounds present are called
Molecules
Primary metabolites
Secondary metabolites
Biomolecules
Choose the element which is negligible in living matter
Si
Mg
Ca
S
Grinding of a living tissue in trichloroacetic acid shows the presence of the inorganic compounds like sulphate, phosphate etc, which are categorised in
Acid insoluble fraction
Acid soluble fraction
Both (a) and (b)
Not found in cellular pool
Identify the term ‘ash’ in term of living tissue sample analysis from the statements given below
Organic compounds oxidised to gaseous form ( and water vapour) after burning of the tissue
The material left after burning the tissue which contains inorganic elements (e.g., calcium, magnesium etc.)
Compounds removed in the form of gases
Compounds which may be soluble in intracellular fluid
