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Adenine (A) and guanine (G) are purines. Cytosine (C), Thymine (T), and Uracil (U) are pyrimidines. Purines can only form hydrogen bonds with pyrimidines, and vice versa. Therefore, the only base-pair bonds that can be formed are: A-T A-U C-G
For an electrical transformer the ratio of the coils on each side is the same as the ratio for the voltage change.
a ratio is a comparison between 2 things and a proportion is a ratio on each side of the = sign
3
The tangent ratio.
In a specific angle for a right triangle the cosine ratio is the ratio between the lengths of the adjacent side (side touching the angle) and the hypotenuse (longest side).
area = side x side if the side is halved, then new_area = side/2 x side/2 = side x side / 4 = area / 4 The area becomes a quarter of what is was. With similar objects, The ratio of areas is the square of the ratio of the lengths The ratio of volumes is the cube of the ratio of the lengths.
The ratio of the shorter side of the rectangle to the longer side is the same as the ratio of the longer side to the sum of the two sides. And that ratio is the Golden section.
65, 78 and 91 units.
If two figures are similar or congruent, each angle of the first figure is the same as the corresponding angle of the second figure.In similar figures, the ratio of each side in the first figure to the corresponding side in the second figure is a constant. If the figures are congruent, that ratio is 1: that is, the corresponding sides are of the same measure.
Their perimeters are in the same ratio.
Exactly like with a rectangle. Divide the longer side by the shorter side and the ratio will be x : 1