List-I | List-II | ||
A. | Ribozyme | I. | Glucose transport |
B. | Lecithin | II. | Non-proteinaceous enzyme |
C. | Glut-4 | III. | Lipid |
D. | Vitamins | IV. | Coenzyme |
Phospholipids are esters of glycerol with:
1. | Three carboxylic acid residues |
2. | Two carboxylic acid residues and one phosphate group |
3. | One carboxylic acid residue and two phosphate groups |
4. | Three phosphate groups |
Read the following statements on lipids and find out correct set of statements:
a: | Lecithin found in the plasma membrane is a glycolipid. |
b: | Saturated fatty acids possess one or more c=c bonds. |
c: | Gingely oil has lower melting point, hence remains as oil in winter. |
d: | Lipids are generally insoluble in water but soluble in some organic solvents. |
e: | When fatty acid is esterified with glycerol, monoglycerides are formed. |
Choose the correct answer from the options given below:
1. (a), (b) and (d) only
2. (a), (b) and (c) only
3. (a), (d) and (e) only
4. (c), (d) and (e) only
Following are the statements with reference to 'lipids'.
(a) | Lipids having only single bonds are called unsaturated fatty acids. |
(b) | Lecithin is a phospholipid. |
(c) | Trihydroxy propane is glycerol. |
(d) | Palmitic acid has 20 carbon atoms including carboxyl carbon. |
(e) | Arachidonic acid has 16 carbon atoms. |
You have to choose the correct statements out of the five given above. Choose the correct answer from the options given below:
1. (b) and (c) only
2. (b) and (e) only
3. (a) and (b) only
4. (c) and (d) only
Identify the statement which is incorrect.
1. | Sulphur is an integral part of cysteine. |
2. | Glycine is an example of lipids. |
3. | Lecithin contains a phosphorus atom in its structure. |
4. | Tyrosine possesses an aromatic ring in its structure. |
Which one of the following biomolecules is correctly characterised?
1. | Palmitic acid - an unsaturated fatty acid with 18 carbon atoms |
2. | Adenylic acid - adenosine with a glucose phosphate molecule |
3. | Alanine amino acid - Contains an amino group and an acidic group anywhere in the molecule |
4. | Lecithin - a phosphorylated glyceride found in the cell membrane |
Which one of the following structural formulae of two organic compounds are correctly identified along with its related function?
1. A- Triglyceride – a major source of energy
2. B- Uracil – a component of DNA
3. A- Lecithin – a component of cell membrane
4. B- Adenine – a nucleotide that makes up nucleic acids
Which of the following organic compounds is the main constituent of Lecithin?
1. Arachidonic acid
2. Phospholipid
3. Cholesterol
4. Phosphoprotein
List-I | List-II | ||
(A) | Protein | (I) | C=C double bonds |
(B) | Unsaturated fatty acid | (II) | Phosphodiester bond |
(C) | Nucleic acid | (III) | Glycosidic bonds |
(D) | Polysaccharide | (IV) | Peptide bonds |
Options: | (A) | (B) | (C) | (D) |
1. | II | I | IV | III |
2. | IV | III | I | II |
3. | IV | I | II | III |
4. | I | IV | III | II |