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The period of life cycle of cell (cell cycle) between two consecutive divisions is termed as the Interphase or misleading called resting phase. It is a period of great metabolic activity that typically occupies 90% of the total cell cycle. It is the period during which the normal activities of the cell take place.Inter phase also sets the stage for the cell division because DNA replication is completed during the S phase of the inter phase. Before a cell divides, the DNA in its nucleus must produce an exact copy of itself. This process is called replication because the double stranded DNA makes a replica, or duplicate, of itself. Replication is essential to ensure that each daughter cell receives the same genetic material as is present in the parent cell.
Replication begins with the strands of DNA untwisting .A DNA helicase enzyme breaks the weak hydrogen bonds joining the purine and pyrimidine bases, and the DNA molecules begins to itself.As soon as new bonds forms, the untwisted strands begin to twist again.
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Cytokinesis in an animal cell: Splitting of the cell is called cytokinesis which starts at telophase. In animal cells, microtubules form a furrow in a ring around the cell.
prototherians are unfinished mammals
Animals - Slow Moving Waters Zooplankton are common here and include an assemblage of protozoa and smaller crustacean, such as water flies, and copepods. Neuston occurring her
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Define the Coenzyme activity of nicotinic acid? Nicotinamide exists within the redox-active coenzymes, nicotinamide adenine dinucleotide (NAD) and its phosphate (NADP), which
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Considering the hybridization in a trait like the color of the flowers of a given plant species (yellow recessive / red dominant) conditioned by a pair of different alleles, what a
Define functions of magnesium - Macro minerals? Like Ca, Mg too has a role in bone formation. Soft tissue magnesium functions as a cofactor of many enzymes involved in energy m
Metabolic Events Let us now examine the changes that occur in the seeds after they imbibe water. In general, the most important metabolic events are: Degradation
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