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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.
Blood Pressure Blood pressure may be defined as the force or pressure which the blood exerts on the walls of the artery. Blood pressure varies with the age of the individual. B
Various ways/techniques suggested for control of water pollution are as follows: 1. Pollutants (radio active, chemical, biological) present in water bodies can be removed by app
Why do you think the energy requirements are different in situations? Well the requirement is dependent on the ways in which the body spends energy. For example in the first c
Explain Crossing Over in genetics? Crossing over is when the arms of homologous chromosomes exchange segments (and therefore genes) with each other. Recall that one of the homo
Some relatively simple eukaryotes, like the adder's tongue fern, may have many more chromosomes than a more complex eukaryote, like a mammal. What might this suggest about the size
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Q. What is the estimated percentage (in mass) of water in the human body? Is this percentage expected to be larger in the adult or in the old individual? Approximately 65% of t
What is the Mendel's first law? The Mendel's first law postulates that a characteristic (trait) of an individual is always verified by two factors, one inherited from the fathe
Q. What is the difference between diastoleSystole and systole and diastole are the two stages into which the cardiac cycle is divided Diastole is the stage of the cardiac cycle
Q. What are the major purposes of the organic molecules for living beings? Ans. Organic molecules, like, lipids, carbohydrates and proteins perform several functions for
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