Download App

Biomolecules — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules2 Marks
Question
What is nucleoside?
✓

Answer

Nucleoside consists of a base joined to sugar molecule, e.g., adenosine contains adenine and ribose, guanosine contains guanine and ribose, cytidine contains cytosine and ribose.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Biomolecules→Biomolecules — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Give primary information about nucleic acid compounds.
→
Explain the preparation of aldehydes and ketones by dehydrogenation of alcohols with suitable examples.
→
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.
→
What are the characteristics of the transition elements and why are they called transition elements? Which of the d-block elements may not be regarded as the transition elements?
→
Explain the effect of catalyst on rate of reaction. And also give its characteristics.
→
Write the chemical equation for preparing sodium soap from glyceryl oleate and glyceryl palmitate. Structural formulae of these compounds are given below.
$\big(\text{C}_{16}\text{H}_{31}\text{COO)}_{3}\text{C}_{3}\text{H}_{5}-\text{Glyceryl palmitate}.$
$\big(\text{C}_{17}\text{H}_{32}\text{COO)}_{3}\text{H}_{5}-\text{Glyceryl oleate}.$
→
Explain the reduction of nitriles and esters by diisobutylaluminium hydride (DIBAL-H) with suitable example.
→
The reaction, $\text{Cr}_2\text{O}_3+2\text{Al}\rightarrow\text{Al}_2\text{O}_3+2\text{Cr}\ \ \ \ \ (\Delta\text{G}^{\ominus}=-421\text{ kJ})$ is thermodynamically feasible as is apparent from the Gibbs energy value. Why does it not take place at room temperature?
→
Draw the structures of the monomers of the following polymers:
  1. Teflon.
  2. Polythene.
→
Draw the structural formulae of the following compounds:
  1. $H_4P_2O_{5.}$
  2. $XeF_{4.}$
→