Question
Describe the structure of sugars present in DNA and RNA.
✓
Answer
DNA contains $\beta$-D-2-deoxyribose whereas RNA contains $\beta$-D-ribose sugar.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Silver crystallises in fcc lattice. If edge length of the cell is $4.07 \times 10^{–8}$ cm and density is $10.5 $g cm$^{–3}$, calculate the atomic mass of silver.
→The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why?
Give examples and suggest reasons for the following features of the transition metal chemistry:The highest oxidation state is exhibited in oxoanions of a metal.
Define an ideal solution and write one of its characteristics.
What happens when
i. a pressure greater than osmotic pressure is applied on the solution side separated from solvent by a semipermeable membrane?
ii. acetone is added to pure ethanol?
i. a pressure greater than osmotic pressure is applied on the solution side separated from solvent by a semipermeable membrane?
ii. acetone is added to pure ethanol?
Match the items of Column I and Column II.
|
|
Column I
|
|
Column II
|
|
(i)
|
Diamond.
|
(a)
|
Short interval of time.
|
|
(ii)
|
Instantaneous rate.
|
(b)
|
Ordinarily rate of conversion is imperceptible.
|
|
(iii)
|
Average rate.
|
(c)
|
Long duration of time.
|
Give reason for the following:
Nitric oxide becomes brown when released in air.
Nitric oxide becomes brown when released in air.
If the solubility product of $CuS$ is $6 \times 10^{–16},$ calculate the maximum molarity of $CuS$ in aqueous solution.
→Which sugar is called invert sugar? Why is it called so?
What is meant by coagulation of a colloidal solution? Describe briefly any three methods by which coagulation of lyophobic sols can be carried out.