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What are the events that mark the beginning and the end of the third interphase period? What happens in the cell in this period?
The third interphase period is the G2. It starts with the end of DNA replication and ends with the beginning of the first period of the mitotic phase. On G2 the cell is growing too and the duplication of centrioles happens (only in cells that have these structures).
Thomson complete that the ray consisted of a stream of negatively charged particles that had been dislodged from atoms. These particles turn out to be known as electrons. Thomson went on to conclude that the mass of an electron is much less than that of a hydrogen atom.
Later, in 1909 Robert Millikan precisely determined the mass of an electron to be 1/1840 the mass of a hydrogen atom. He as well determined the electron's charge to be 1. This value was acknowledged as a fundamental unit of electrical charge.
(a) Find the electric potential, taking zero at infinity, at the upper right corner (the corner without a charge) of the rectangle in the figure. (Let y = 3.7 cm and x = 6.7 cm.)
what are some adaptations of flatworms
What is Mitochondria ? Mitochondria are the cellular organelles responsible for the conversion of energy into a form called ATP. ATP is a high energy chemical compound that cel
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Nutrition Assessment The nutritional care process, you would realize, begins with nutritional assessment. Nutrition assessment is the evaluation of an individual's nutrit
Nucleic Acids Friedrich Miescher (1868) discovered the presence of these compound in protoplasm ,but Altman (1889) introduced the term Nucleic acid. These acids are the lar
Which of the following is composed of ONLY glucose monomers? (mark all that apply) Select one or more: a. Starch b. glycogen c. Maltose d. chitin e. Cellulose
Start with a cell with chromosome number 2n=6, and having two acrocentric pairs and one metacentric pair of chromosomes. Draw the cell in metaphase I. Indicate one pair of sister c
Explain factors influencing rs content of foods? 1) Presence of sugar and lipids: Studies so far show that presence or addition of lipids and sugar reduces RS content. 2) Ca
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