Question
What did Erwin Chargaff's research reveal about
nucleotide bases?Solution
Chargaff's research demonstrated that the number of purine bases (adenine and guanine) is equal to the number of pyrimidine bases (cytosine and thymine) in DNA molecules.
In each of the following questions, a letter-number series is given with one or more terms missing as shown by (?). Choose the missing term out of the ...
By interchanging the given two numbers (not digits), which of the following equations will be correct?
24 and 9
I. 113 + 24 – 20 × 9 ÷...
If 'A' means (+), 'B' means (-), 'C' means (÷), and 'D' means ( X ), then what is the value of the following expression?
124 A 248 C 31 B 15 D ...
What will be the value of expression if the signs ‘(-)’ and ‘(+)’ are interchanged?
75 + 42 – 6 × 56 ÷ 7 + 6 × 3 – 2
...Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
400 * 100 * 25 * 15 * 12 = 452
If '@' means '÷', '#' means ' X ', '$' means '+' and '%' means '-' then what would be the value of the expression given below?
Expression: 25 # ...
Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below.
42 * 18 ...
If the following interchanges are made in signs, then what would be the value of the following expression?
16 ÷ 64 X 20 - 16 + 18
Interch...
If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”
260 × 13 �...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation:
76 *(5*8*4)*9*75