cell biology Questions

Which of the following stages of meiosis involves division of centromere?

The process of appearance of recombination nodules occurs at which substage of prophase I in meiosis?

Among eukaryotes, replication of DNA takes place in:

Match List I with List II regarding the cell cycle:| List I | List II || :--- | :--- || A. M Phase | I. Proteins are synthesized || B. G2 Phase | II. Inactive phase || C. G1 Phase | III. Interval between mitosis and initiation of DNA replication || D. $G_0$ Phase | IV. Equational division |

How many different proteins does the ribosome consist of?

Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of:

Which of the following are not considered as the part of endomembrane system?A. MitochondriaB. Endoplasmic ReticulumC. ChloroplastsD. Golgi complexE. PeroxisomesChoose the most appropriate answer from the options given below:

Given below are two statements:Statement I: Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.Statement II: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.In the light of the above statements, choose the correct answer:

Which of the following functions is carried out by cytoskeleton in a cell?

Given are two statements:Statement I: During $G_0$ phase of cell cycle, the cell is metabolically inactive.Statement II: The centrosome undergoes duplication during S phase of interphase.In the light of the above statements, choose the correct answer:

Select the correct statements:A. Tetrad formation is seen during Leptotene.B. During Anaphase, the centromeres split and chromatids separate.C. Terminalization takes place during Pachytene.D. Nucleolus, Golgi complex and ER are reformed during Telophase.E. Crossing over takes place between sister chromatids of homologous chromosome.Choose the correct answer: