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Which type of chemical bond maintains the pairing of each chain in the DNA molecule?
To produce the DNA molecule, purine bases bind to pyrimidine bases by intermolecular bonds called hydrogen bonds. Hydrogen bonds happen when there is hydrogen near one of these electronegative elements: fluorine, oxygen or nitrogen.
In such conditions hydrogen looks like having lost electrons for those elements and a very strong polarization is formed. The highly positive hydrogen attracts pairs of electrons of other molecules making a hydrogen bond.
CRANIAL NERVES 12 pairs. Total weight 12 gms. Upto amphibian 10 pairs cranial nerves are present. 1, 2, 8, - sensory. 3, 4, 6, 11, 12, motor. 5, 7, 9, 10 - mixed. 3
Diplotene: The paired chromosomes repel each other and begin to separate. Separation however, is not completed, because homologous chromosomes remain united by their point
What is meant by bioassay? Name the two bioassays that are used to determine auxin activity in plants.
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When a piece of thread is tied tightly around an animal pancreatic duct the animal experiences difficult in digestion but does not suffer from diabetes mellitus.Explain why?
Michael eats steak & cheese sub sandwiches every day of the week. Explain the types of fats that are found in steak & cheese subs and the properties of each type. Jillian eats
Define Transport and uptake of Zinc by Cells? After absorption, zinc is bound to albumin and transported to the liver. In liver, it is concentrated and then transported to diff
What are the major morphological differences between monocot plants and dicot plants? The main differentiation criteria among monocots and dicots are: number of cotyledons (see
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