TLS Online TPP Program

#Question id: 32517


A typical mitochondrion can be thought of as a cylinder 1 µm in diameter and 2 µm in length. If the pH in the matrix is 7.8, how many protons are contained in the mitochondrial matrix?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. NX10^-7
  2. N/10^-7
  3. 10^-7/N
  4. 15
More Questions
TLS Online TPP Program

#Question id: 7590

#General Aptitude

The ratio of the length of two trains X and Y is 4 : 7 and the ratio of the time taken by both trains to cross a man standing on a platform is 2 : 3. If the speed of the train y m/sec

TLS Online TPP Program

#Question id: 7591

#General Aptitude

A pilot flies an aircraft at a certain speed for a distance of 800 km. He could have saved 40 min by increasing the average speed of the plane by 40 km/h. Find the average speed of the aircraft.

TLS Online TPP Program

#Question id: 7592

#General Aptitude

A train started from point A at a speed of 60 km/hr and after 2 hours another train of same length started from A at a speed of 80 km/hr in the same direction as the first one. After how much time the second train will meet the first train?

TLS Online TPP Program

#Question id: 7593

#General Aptitude

An aeroplane files along the four sides of a square at the speeds of 200 , 400 , 600 and 800 km/hr. Find the average speed of the plane around the field

TLS Online TPP Program

#Question id: 7594

#General Aptitude

A car travels the first one third of a certain distance with a speed of 10 km/hr , the next one third distance with a speed of 20 km/hr , and the last one third distance with a speed of 60 km/hr . The average speed of the car for the hole journey is :

TLS Online TPP Program

#Question id: 7595

#General Aptitude

A man travels 600 km by train at 80 km/hr , 800 km by ship at 40 km/hr , 500 km by aeroplane at 400 km/hr and 100 km by car at 50 km/hr . What is the average speed for the entire distance ?