List of top Biotechnology Tools and Techniques Questions

For the coupled reactions given below: 
Glucose 6-phosphate + H\(_2\)O → Glucose + Pi (Reaction 1) 
ATP + Glucose → ADP + Glucose 6-phosphate (Reaction 2) The standard free energy change of ATP hydrolysis at 25 °C is __ kJ/mol. 
The equilibrium constants for Reaction 1 and Reaction 2 are 360 and 800, respectively; Gas constant \( R = 8.314 \, {J mol}^{-1} {K}^{-1} \). 
(Round off to two decimal places)

An NMR spectrometer operating at proton resonance frequency \( \nu \) of 1 GHz will have a magnetic field strength of __________ Tesla (T).
The gyromagnetic ratio for proton, \( \gamma = 2.675 \times 10^8 \, {T}^{-1} {s}^{-1} \). (Round off to one decimal place)

The percentage of light that would pass through a sample with an absorbance of 2 would be ________%. (Round off to the nearest integer)

A binary mixture of benzene and toluene under vapour-liquid equilibrium at 80 \( ^\circ {C} \) follows ideal Raoult’s law. At this condition, the saturation pressures of benzene and toluene are 101 kPa and 40 kPa, respectively. If the mole fraction of benzene in the liquid phase is 0.6, the corresponding mole fraction of benzene in the vapour phase will be ________. (Round off to two decimal places)

Which of the following methods is/are used for identifying histone modifications?

Correctly match the following Bioinformatic tool/Database with its respective Utility.


 

Let \( m \) and \( n \) be fixed real numbers. If the function
\[ y(t) = C_1 e^t + C_2 e^{-t} \]
is a solution of
\[ \frac{d^2y}{dt^2} + m \frac{dy}{dt} + n y = 0 \]
for any constants \( C_1 \) and \( C_2 \), then \( m + n \) is equal to
Which of the following compounds have the same degree of reduction per carbon-mole?
Which of the following show(s) optical activity at 100 mM concentration in water?
Which of the following separation processes is/are based on molecular size?

Correctly match the following Product classes with their representative Products. 


 

Given below are two statements:
Statement I: Precision refers to the closeness of various measurements for the same quantity.
Statement II: Accuracy is the agreement of the obtained value with the known or true value of the quantity.
In light of the above statements, choose the correct answer from the options given below:

Which one of the following is NOT true for Quantum dots as fluorescent probes in fluorescence microscopy?
The microscope which uses lasers to scan the specimen at a specific depth, illuminates one area at a time and blocks stray light to give an image with excellent contrast and resolution is