While isolating DNA from bacteria the following enzyme is not used:
Show Hint
- Lysozyme
- Ribonuclease
- Deoxyribonuclease
- Protease
The Correct Option is C
Solution and Explanation
During the isolation of DNA from bacteria, enzymes such as lysozyme are used to break down the cell wall, and protease is used to degrade proteins that could contaminate the DNA sample. Ribonuclease is used to remove RNA.
However, deoxyribonuclease, which breaks down DNA, is not used as it would degrade the DNA we are trying to isolate.
Top Questions on Genetics
Match the terms in Column-I with their description in Column-II and choose the correct option.
- (a) Write two closely linked genes that control \(\alpha\)-thalassemia.
(b) Differentiate between thalassemia and sickle cell anaemia on the basis of their effect on globin molecule of Haemoglobin. - A diploid organism is heterozygous for three loci, how many types of gametes can be produced by that organism?
- Study the cross given below:
- Assertion (A): When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than non-parental type.
Reason (R): Higher parental gene combinations can be attributed to crossing over between two genes.
Questions Asked in AP EAMCET exam
The percentage error in the measurement of mass and velocity are 3% and 4% respectively. The percentage error in the measurement of kinetic energy is:
- AP EAMCET - 2024
- Projectile motion
- A → P is a first order reaction. The following graph is obtained for this reaction. (x-axis = time; y-axis = conc. of A). The instantaneous rate of the reaction at point C is
- AP EAMCET - 2024
- Chemical Kinetics
- If \( \alpha, \beta, \gamma \) are the roots of the determinant equation: \[ \begin{vmatrix} 1-x & -2 & 1
-2 & 4-x & -2
1 & -2 & 1-x \end{vmatrix} = 0 \] then \( \alpha \beta + \beta \gamma + \gamma \alpha \) is: If \( L, M, N \) are the midpoints of the sides PQ, QR, and RP of triangle \( \Delta PQR \), then \( \overline{QM} + \overline{LN} + \overline{ML} + \overline{RN} - \overline{MN} - \overline{QL} = \):
- AP EAMCET - 2024
- Geometry and Vectors
- In the ground state of hydrogen atom, electron absorbs 1.5 times energy than the minimum energy \( (2.18 \times 10^{-18} J)\) to escape from the atom. The wavelength of the emitted electron (in m) is \((m_e = 9 \times 10^{-31} kg)\)
- AP EAMCET - 2024
- Quantum Mechanics