DNA molecules are composed of two nucleotide strands coiled together in a double helix. The two strands consist of sugar phosphate backbones which are connected by pairs of bases. The DNA molecules may be illustrated as follows. The two most common sugars found in the nucleic acids are
Correct answer: C. Ribose and deoxyribose
- A. Sucrose and ribose
- B. Deoxyribose and glucose
- C. Ribose and deoxyribose
- D. Glucose and fructose
Explanation
The sugar in the DNA molecule is deoxyribose and the one in RNA is ribose sugar. Example of pentose sugar are ribose and deoxyribose sugar.
Last updated
Related questions
48 competitors entered the men's 100 metres freestyle event at this year's Muscan Swimming Championships. They were divided randomly into 6 heats, with the fastest 16 qualifying for the semi-finals.These are the results of the 6 heats.From which heat was there only one qualifier for the semi-finals?
A ballet dancer of mass 80 kg and a wingspan of 1m is executing a spin. She then folds her arms and brings them to within 20cm from the central axis of her body. If she was initially making 3 rotations per second, how many does she make now?
A ballet dancer of mass 80 kg and a wingspan of 80cm is executing a spin. She then folds her arms and brings them to within 20 cm from the central axis of her body. If she was initially making 3 rotations per second, how many does she make now?
A bar magnet and a solenoid are kept beside each other. In which of the following cases current will not be produced?
A bar magnet and a solenoid are kept beside each other. In which of the following cases current will not be produced?