Answer:
C) The amount of A is always equivalent to T, and C to G
Explanation:
Chargaff's rule was given by the Austrian chemist, Erwin Chargaff in late 1940s. It explains the composition of the four bases i.e. Adenine(A), Guanine(G), Thymine(T) and Cytosine(C) in a DNA molecule. According to it, purine and pyrimidine bases are always found in 1:1 ratio in a DNA molecule. A and G are purine and T and C are pyrimidine bases and a purine always forms a pair with pyrimidine base hence the amount of A will always be equal to T and amount of G will always be equal to C. This rule forms the basis for the Watson and Crick pairs in DNA double helix model.
Answer:
A
Explanation:
in the biological sequence the respiratory does not occur the cells of the human body
The correct answer is option A, that is, the bottle with zero percent concentration.
The control in the given case would have the liquid in it in the absence of any supplemented dissolved solute. So, as to find whether the solution is making the crystal formation or the liquid can do it by itself.
The control refers to one element, which is not changed at all through the experiment, as its unchanging condition permits the association between the other variables being examined to be better comprehended.
Answer:
32
Explanation:
There are 4 boys who each picked 8 pounds.
Boy one- 8 pounds
Boy two- 8 pounds
Boy three- 8 pounds
Boy four- 8 pounds
All together- 32 Pounds
4 times 8= 32
