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kirza4 [7]
4 years ago
11

Which of the following accurately describes the structure of DNA? A. DNA consists of four bases: A, G, C, and U. B. A always pai

rs with C, and G always pairs with T. C. DNA is in the form of antiparallel strands twisted as a double helix. D. DNA is made up of nucleotides, containing a phosphate group, a base, and another phosphate group.
Biology
2 answers:
lord [1]4 years ago
7 0
Yes,C.is the answer a double helix.
viktelen [127]4 years ago
4 0
Right answer is c.
 DNA is in the form of antiparallel strands twisted as a double helix.
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5 0
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Challenge: A chemical equation is balanced when each side of the equation includes the same number of each type of atom.
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If the reactants are the same the equations are balance but if the reactants are not the same you have to make them balance, however if the reactants are not balance  in order to balance the equation you need to use coefficient to balance the reactants and products of particular chemical reaction.
yet for Photosynthesis the equation 
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A)So the ugliest one is C_6H_12O_6 and the C is not repetitive and have six atoms so there fore we multiply 6 as coefficient with carbon dioxide.
6CO₂+ H₂O → C₆H₁₂O₆+H₂O+O₂ but oxygen will get 12 atoms because is to all Carbon dioxide.
B) Then we have carbon balanced then we are going to balance Hydrogen, yet on product side it have 14 but on the reactant side it have 2 but Oxygen on product side is 9 there but on reactant side we have 1 so there fore we have to multiply water on reactant side by 12 and on product side multiply water with six and in addition multiply oxygen with 6 which land you at:
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so we will have 24 hydrogen and 24 oxygen on both sides. 
Hope that helps you.

6 0
3 years ago
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