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The imperfect fungi which are decomposers of litter and help in mineral cycling belong to?
Which one of the following matches is correct?
Match List-I with List-II: List-I A. CCK B. GIP C. ANF D. ADH List-II I. Kidney II. Heart III. Gastric gland IV. Pancreas
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in:
Match List-I with List-II: List-I A. Cells are metabolically active and proliferate (grow) B. DNA replication takes place C. Proteins are synthesised in preparation for mitosis D. Quiescent stage with metabolically active cells List-II I. G2 phase II. G1 phase III. G0 phase IV. S phase
Synapsis occurs between:
A stage in cell division is shown in the figure. Select the answer which gives the correct identification of the stage with its characteristics:
At which stage of the cell cycle does DNA replication occur:
Which of the following is not a function of the skeletal system?
Select the correct matching of a hormone, its source and its function:
Given below are two statements: Statement I: Chromosomes become gradually visible under light microscope during leptotene stage. Statement II: The beginning of diplotene stage is recognized by dissolution of synaptonemal complex. In the light of the above statements, choose the correct answer from the option given below:
Match List-I with List-II: List-I (Events) A. Chromosomes start pairing together to form synaptonemal complex B. Chromosomes visible under light microscope and compaction continues C. Four chromatids of bivalent chromosomes become distinct and recombinant nodules appear D. Dissolution of synaptonemal complex List-II (Prophase-I) I. Pachytene II. Zygotene III. Diplotene IV. Leptotene
Match List-I with List-II regarding the stages of Prophase-I (Meiosis I): List-I (Event) A. Chiasmata B. Crossing over C. Synaptonemal complex D. Terminalisation of chiasmata List-II (Stage) I. Pachytene II. Diakinesis III. Diplotene IV. Zygotene
A prokaryotic autotrophic nitrogen-fixing symbiont is found in:
In the somatic cell cycle:
The best material for the study of mitosis in the laboratory:
At metaphase, chromosomes are attached to the spindle fibres by their:
The dissolution of the synaptonemal complex occurs during which stage of meiosis?
Crossing over takes place between which chromatids and in which stage of the cell cycle?
The unit of Stefan's constant σ is: