Related Questions

Consider the following statements.
1. Centriole take part in spindle formation.
2. Centriole are found in animals.
Which of the statement(s) given above is/are true about centriole?
Consider the following statements regarding cell cycle and choose the correct answer:
1. During G1 phase the cell grows in size and there is an active synthesis of RNA and proteins
2. The third stage of the cell cycle is termed G2 phase
3. In the mitotic phase, the DNA molecule of each chromosome replicates by the synthesis of a new DNA molecule on the template of the existing DNA
Duplication of Vermillion eye colour gene leads to the expression of the mutant phenotype. Which of the following can lead to normal phenotype with this duplication present?
A proto-oncogene is suspected to have undergone duplication in a certain type of cancer. Of the following techniques, which one would verify the gene duplication?
At which cell cycle checkpoint, cell cycle is halted if cell’s DNA is damaged?
Which is the function of cell wall?
1. Provides shape to the cell.
2. Protects the cell from mechanical damage and infection.
3. Helps in cell to cell interaction.
4. Provides barrier to undesirable macromolecules.
5. Imbibes water.
In balanced growth phase of a cell,
P. All components of a cell grow at the same rate.
Q. Specific growth determined by cell number or cell mass would be the same.
R. The growth rate is independent of substrate concentration.
S. The growth rate decreases with decreasing substrate concentration.
In which phase of the cell cycle does DNA replication take place?
In which phase of the cell cycle does the process of replication take place in E.coli?
A 3-phase bridge converter is given a three-phase supply in the phase sequence R-Y-B. Let the neutral to R phase voltage be Vm sinωt. The first SCR (connected to R phase) is fired at an angle of 15°. What is the maximum value at the output terminals at this instant?