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The DNA replication is a biological procedure which happens in all living organisms and copies their DNA; it is the basis for biological inheritance. The process will starts when one double-stranded DNA molecule generates two identical copies of the molecule. Cell cycle mitosis also pertains to the DNA replication or reproduction process. The cell cycle involves interphase, prophase, metaphase, anaphase and telophase. Each strand of the original double-stranded DNA molecule serves as sample for the production of the complementary strand a procedure referred to as semiconservative repetition. The Cellular proofreading and error toe-checking mechanisms make sure near ideal fidelity for DNA replication.
a) What additional substances does a plant need to make amino acids and proteins from glucose? b) Where do these substances come from? (a) To make amino acids
Shift of the phosphate group from carbon 3 to carbon 2 Shift of thephosphate group form carbon 3 to carbon 2: This reversible reaction is catalyzed by phosphoglycerate mutas
Organization in non-reduced embryo sacs The fate of a nucleus in the embryo sac depends upon its position. Many irregularities in the disposition of nuclei in the early polar
State the differences between the male gametes and the female gametes with regard to (a) their size; (b) their structure, (c) their relative numbers. (a
The oldest fossils look as though they were formed by organisms that resemble modern?
How does the pancreatic juice resume the digestion of carbohydrates? What is the involved enzyme? Carbohydrate digestion starts with the action of the salivary amylase (ptyalin
How Cereal and Bread important for Human -Nutritional Factor? Cereals form the staple of the Indian diet. These grains are the main source of energy in the Indian diet
Q. What is the energy source used in active transport through biological membranes? The energy necessary for active transport against the concentration gradient of the transpor
a) In what ways do farmers try to improve the quality of (i) their soil, (ii) their crop plants? b) What other steps do farmers take to maximise the yield from their
Q. What is the endocrine function of the placenta? The placenta is not a permanent gland of the endocrine system other than this it also has endocrinal function. The placenta p
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