Which component forms the backbone of a DNA molecule?
The phosphate groups in nucleotides form the backbone of the DNA molecule. They link the sugar molecules together, creating a sturdy structure for the DNA double helix.
A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can also go 4 km upstream and 9 km downstream in 1 hour 25 minutes. In how much time (...
A is cycling at an average speed of 11 km/hr such that he can reach a certain point at 12 noon. If he cycles at 22 km/hr, then he will reach the destina...
Ajay and Bharti are initially 493 km apart. They start jogging towards each other with speeds of 36 km/h and 64 km/h, respectively, at the same time. If...
A driver of an army truck sees an ambulance 80 meters ahead of him. After 10 seconds the ambulance is 70m behind. If the speed of the truck is 104kmph, ...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 15 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average sp...
A boy goes to school at 10 km/Hr and return at a speed of 9 km/hr. If he takes 19 hrs in all. Find the distance from his village to school?
‘A’ and ‘B’ started moving towards each other at same time with a speed of 25 km/hr and 20 km/hr, respectively. If the di...
Average speed of ‘A’ during a 24-hour journey is 32 km/h. If he covered the first 160 km of his journey at a speed of 20 km/h, then find the speed a...
Pranav went to the bank at the speed of 60 km/h while returning for his home he covered the half of the distance at the speed of 10 km/h, but suddenly h...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 6 km/hr, respectively. If the distance covered by ‘Aâ€...
