Define the following terms: (i) Gene, (ii) Genetic code, (iii) T

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsShort Answer Type

161.

Which forces are responsible for the stability of α-helix? Why is it named as 3.6 helix?

352 Views

162.

Answer the following queries about proteins:
How are proteins related to amino acids?

99 Views

163.

Answer the following query about proteins:
How are oligopeptides different from polypeptides?

108 Views

164.

Answer the following query about proteins:
When is a protein said to be denatured?

106 Views

Advertisement
165.

What is mutation? What are the consequences of mutation?

104 Views

166.

Explain the role of RNA in protein synthesis in a cell.

105 Views

 Multiple Choice QuestionsLong Answer Type

167.

Describe briefly the following:
(i) Transcription   (ii) Translation.

121 Views

168. What reaction is involved in the formation of disaccharides from monosaccharides ? Give the chemical reaction.
139 Views

Advertisement
Advertisement

169.

Define the following terms: (i) Gene, (ii) Genetic code, (iii) Transcription, (iv) Translation, (v) Codon.


(i) Gene: Gene is a micelle protein which is considered to the unit of heredity.

(ii) Genetic Code: The heredity message stored in the arrangement of bases in the DNA molecules is called the genetic code.

(iii) Transcription: The way the code on DNA is copied to give the complimentary code on RNA is called transcription.

(iv) Translation: The way the four base code in nuclei acids is turned into a 20 unit code needed to specify the amino acid sequence in protein during synthesis is called translation.

(v) Codon: The three base sequence on a mRNA molecule that specifies the amino acids in a protein is called a codon.

120 Views

Advertisement

 Multiple Choice QuestionsShort Answer Type

170.

List three functions of the nucleotides in a cell.

118 Views

Advertisement