English

Find out the double ring compound.

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Question

Find out the double ring compound.

Options

  • Adenine

  • Uracil

  • Cytosine

  • Thymine

MCQ
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Solution

Adenine.

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Chapter 4: Molecular Basis of Inheritance - MCQ

APPEARS IN

SCERT Maharashtra Biology [English] Standard 12 Maharashtra State Board
Chapter 4 Molecular Basis of Inheritance
MCQ | Q 3

RELATED QUESTIONS

Long Answer Question:

Describe the process of translation in protein synthesis.


Exon part of mRNAs codes for ______


Primary transcript is non-functional and contains ______.


____________ refers to removal of introns and joining the exons in a defined order in a transcription unit.


What does 'X' and 'Y' represent in the following diagram oft-RNA molecule?


Match the Column I (RNA polymerases) with Column II (Transcribed products) and select the correct option.

  Column I   Column II
i. RNA polymeraseI a. t-RNA
ii. RNA polymerase II b rRNA
iii. RNA polymerase III c. hnRNA

Select the correct option from the following:


Identify the CORRECT statements.

  1. Conversion of hnRNA to mRNA - Processing
  2. Removal of introns and joining of exons - Splicing
  3. Methyl adenosine triphosphate is added to 5'-end of hnRNA- Capping
  4. Addition of adenylate residues to 5' end in a template-dependent manner - Tailing

Which one ofthe following shows clover leaf model?


If there are 300 bases in an RNA which codes for a protein with 100 amino acids, and a base at position 162 is deleted such that the length of RNA become 299, how many codons will be altered.


Given below is a stretch of DNA showing the coding strand of a structural gene of a transcription unit?

5’-ATG ACC GTA TTT TCT GTA GTG CCC GTA CTT CAG GCA TAA-3’

  1. Write the corresponding template strand and the mRNA strand that will be transcribed, along with its polarity.
  2. If GUA of the transcribed mRNA is an intron, depict the sequence involved in the formation of mRNA/the mature processed hnRNA strand.
    i. In a bacterium
    ii. In humans
  3. Upon translation, how many amino acids will the resulting polypeptide have? Justify.

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