Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part7 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.Cross rungs of double helix of DNA are formed of |
| Sugar molecules |
| Phosphate radicals |
| Complementary nitrogen bases |
| Similar nitrogen bases |
17.A transport protein is |
| Insulin |
| Immunoglobulin |
| Haemoglobin |
| Actomn |
18.Nitrogen bases of nucleotides are attached to |
| Sugar molecules |
| Phosphate radicals |
| Complementary nitrogen bases |
| Similar nitrogen bases |
19.- NH2 group is called |
| Amino |
| Hydroxyl |
| Carbonyl |
| Aldehyde |
20.5-carbon sugars of nucleic acids are |
| PGA and DiHAP |
| Glucose and fructose |
| Ribose and deoxyribose |
| Lactose and maltose |
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