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mRNA

How does a tR...

Question

How does a tRNA read the genetic code?

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Solution

The tRNA has an anticodon loop that has bases complementary to the mRNA code. These anticodons combine with the bases of the mRNA and thus read the genetic code by combining with them.

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Q. During protein synthesis, mRNA provides A, tRNA brings B and reads genetic code while rRNA plays the C role during D. Choose the correct option for A, B, C and D.

Q. During transcription, mRNA provide A, tRNA brings B and reads genetic code and rRNAs play C and catalytic role during D. Choose the correct option for A, B, C and D.

Q. Consider the statements.
(i) rRNA provides template for synthesis of proteins
(ii) tRNA brings amino acids and reads genetic code
(iii) RNA polymerase binds to promoter and initiates transcription
(iv) A segment of DNA coding for polypeptide is called intron

Q. (a) Write the specific features of the genetic code AUG.
(b) Genetic codes can be universal and degenerative. Write about them, giving one example of each.
(c) Explain aminoacylation of tRNA.

Q. Consider the following statements.
I. rRNA provides the template for synthesis of proteins.
II. tRNA brings amino acids and reads the genetic code.
III. RNA polymerase binds to promoter and initiates transcription.
IV. A segment of DNA coding for polypeptide is called intron.
Which of the statements given above are correct?

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