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What D.N.A.or R.N.A. stand for?...

What D.N.A.or R.N.A. stand for?

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**Step-by-Step Text Solution:** 1. **Understanding DNA and RNA**: - DNA and RNA are essential biomolecules in cell biology. They are linear polymers made up of smaller units called nucleotides. 2. **Components of Nucleotides**: - Each nucleotide consists of three components: a sugar molecule, a nitrogen base, and a phosphate group. ...
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In structure of D.N.A and R.N.a nucleotides are joined together by phosphodiester linkage between

Let n be a positive integer and (1+x)^(n)+C_(0)+C_(1)x+C_(2)x^(2)+C_(3)x^(3)+ . . .+C_(r)x^(r)+ . . .+C_(n-1)x^(n-1)+C_(n)x^(n) Where C_(r) stands for .^(n)C_(r) , then Q. The values of underset(r=0)overset(n)(sum)underset(s=0)overset(n)(sum)(C_(r)+C_(S)) is

Let n be a positive integer and (1+x)^(n)+C_(0)+C_(1)x+C_(2)x^(2)+C_(3)x^(3)+ . . .+C_(r)x^(r)+ . . .+C_(n-1)x^(n-1)+C_(n)x^(n) Where C_(r) stands for .^(n)C_(r) , then Q. The value of underset(r=0)overset(n)(sum)underset(s=0)overset(n)(sum),C_(r),C_(S) is

Show that C_1^2-2C_2^2+3.C_3^2- ……….-2n.C_(2n)^2=(-1)^(n-1).n.C_n where C_r stands for ''^(2n)C_r''

Prove that (n-1)^(2) C_(1) + (n-3)^(2) C_(3) + (n-5)^(2) C_(5) . + ….= n (n+1)2^(n-3) , where C_(r) stands for ""^(n)C_(r) .

Show that (C_(0))/(1) - (C_(1))/(4) + (C_(2))/(7) - … + (-1)^(n) (C_(n))/(3n +1) = (3^(n) * n!)/(1*4*7…(3n+1)) , where C_(r) stands for ""^(n)C_(r) .

For any n in N, let C_(r) stand for ""^(n)C_(r) , r = 0,1,2,3,…,n and let S= sum_(r=0)^(n) (1)/(C_(r)) Statement-1: underset(0leilt i le n)(sumsum) ((i)/(C_(i))+(j)/(C_(j)))= (n^(2))/(2)S Statement-2: underset(0leilt i le n)(sumsum) ((1)/(C_(i))+(1)/(C_(j)))= nS

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If C_r stands for nC_r, then the sum of first (n+1) terms of the series a C_0-(a+d)C_1+(a+2d)C_2-(a+3d)C_3+......, is

Assertion: If n is an even positive integer n then sum_(r=0)^n ("^nC_r)/(r+1) = (2^(n+1)-1)/(n+1) , Reason : sum_(r=0)^n ("^nC_r)/(r+1) x^r = ((1+x)^(n+1)-1)/(n+1) (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.

ICSE-BIOMOLECULES-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. What type of linkage holds together the monomers of D.N.A.?

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  2. Except for vitamin B(12), all other vitamins of group B(12) should be ...

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  3. What D.N.A.or R.N.A. stand for?

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  4. Give the structural formula of a nucleotide.

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  5. List some important applications of enzymes.

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  6. What is the difference between ribose and deoxyribose.

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  7. Name the four bases present in RNA molecule.

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  8. Name a carbohydrate which does not correspond to general formula (Cx(H...

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  9. What is meant by primary and secondary structure of proteins.

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  10. Give reasons for the following: (i) Proteins such as insulin used as...

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  11. Name the vitamin which is vital for the clotting of blood?

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  12. Name two facts in support of zwitterion structure ofa-amino acids.

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  13. Name the vitamins whose deficiency causes (i) Night blindness (ii) Poo...

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  14. What do the following abbreviations stand for : (i) AMP (ii) ADP (i...

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  15. How many molecules of ATP are produced per molecule of glucose in glyc...

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  16. Name thea-amino acid which is optically inactive.

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  17. What are the functions of nucleic acids ? What are the structures of s...

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  18. What is the nature of forces holding two long DNA molecules - together...

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  19. If one strand of DNA has the sequence ATGCTTGA, the sequence in the co...

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  20. Is a diet consisting mainly of rice an adequate diet? Why or why not.

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