Biology
General
Easy
Question
Number of protofilament in microtubule is
- 13
- 12
- 5
- 10
The correct answer is: 13
In a DNA molecule, a complete line measures 
with a distance of 
between two successive base pairs.
Related Questions to study
biology
Ribosomes that occur exclusively in mitochondria is
Ribosomes that occur exclusively in mitochondria is
biologyGeneral
physics-
A 
shaped object with dimension shown in the figure, is lying on a smooth floor. A force 
is applied at the point 
parallel to 
, such that the object has only the translational motion without rotation. Find the location of with respect to 
.
A shaped object with dimension shown in the figure, is lying on a smooth floor. A force is applied at the point parallel to , such that the object has only the translational motion without rotation. Find the location of with respect to .
physics-General
physics-
Two balls each of mass 
are placed on the vertices 
and 
of an equilateral triangle 
of side 1m. A ball of mass 2 is placed at vertex . The centre of mass of this system from vertex (located at origin) is
Two balls each of mass are placed on the vertices and of an equilateral triangle of side 1m. A ball of mass 2 is placed at vertex . The centre of mass of this system from vertex (located at origin) is
physics-General
physics-
Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked ,
, 
respectively, the distance of centre of mass of the system from is
Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked ,, respectively, the distance of centre of mass of the system from is
physics-General
chemistry-
WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O
WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O
chemistry-General
physics-
The distance of the centre of mass of the -shaped plate from 
is
The distance of the centre of mass of the -shaped plate from is
physics-General
physics-
Look at the drawing given in the figure, which has been drawn with ink of uniform line-thickness. The mass of ink used to draw each of the two inner circles, and each of the two line segments is . The mass of ink used to draw the outer circle is 6. The coordinates of the centres of the different parts are : outer circle (0, 0) left inner circle (-
), right inner circle () vertical line (0, 0) and horizontal line (0, -
). The 
- coordinate of the centre of mass of the ink in the drawing is
Look at the drawing given in the figure, which has been drawn with ink of uniform line-thickness. The mass of ink used to draw each of the two inner circles, and each of the two line segments is . The mass of ink used to draw the outer circle is 6. The coordinates of the centres of the different parts are : outer circle (0, 0) left inner circle (-), right inner circle () vertical line (0, 0) and horizontal line (0, -). The - coordinate of the centre of mass of the ink in the drawing is
physics-General
chemistry-
The enthalpy and entropy change for reaction Br2(l)+Cl2(g)→2BrCl(g)are30KJmol–1and 105JK–1mol–1respectively.Thetemperature at which the reaction will be in equilibrium is-
The enthalpy and entropy change for reaction Br2(l)+Cl2(g)→2BrCl(g)are30KJmol–1and 105JK–1mol–1respectively.Thetemperature at which the reaction will be in equilibrium is-
chemistry-General
chemistry-
Assume each reaction is carried out in an open container. For which reaction will DH=DE?
Assume each reaction is carried out in an open container. For which reaction will DH=DE?
chemistry-General
Maths-
Marks scored by 100 students in a 25 marks unit test of Mathematics is given below Their median is
Marks scored by 100 students in a 25 marks unit test of Mathematics is given below Their median is
Maths-General
Maths-
The mode for the following frequency distribution
The mode for the following frequency distribution
Maths-General
Maths-
The median of the following data is
The median of the following data is
Maths-General
Maths-
The median of the following data is
The median of the following data is
Maths-General
Maths-
The median from the following data is
The median from the following data is
Maths-General
Maths-
The median of the following frequency distribution
The median of the following frequency distribution
Maths-General
