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A segment of a DNA chain with the base sequence -^5\'TCAGAT^3 - would be transcr

ID: 524649 • Letter: A

Question

A segment of a DNA chain with the base sequence -^5'TCAGAT^3 - would be transcribed by RNA polymerase to an RNA chain with which of the following base sequences? (a) CUAAGU (b) AGUCUA (c) AGTCTA (d) AUCUGA (e) ATCTGA. Which of the following ionic species of glutamic acid would be most prevalent at pH 7? (a) HOOC-CN^+H_3-H-(CH_2)_2-COOH (b) OOC-CN^+H_3-H-(CH_2)_2-COOH (c) ^-OOC- CN^+H_3-H-(CH_2)_2-COO^- (d) OOC-CNH_2-H-(CH_2)_2-COO^- In biological membranes, proteins and lipids interact mainly by (a) Hydrophobic interactions (b) Hydrogen bonding (c) Hydrophilic interactions (d) Ionic bonds. Sucrose is a disaccharide, which is made up of (a) glucose and sucrose (b) glucose and fructose (c) glucose and glucose (d) fructose and fructose (e) glucose and galactose. Peptide bond synthesis requires an input of energy during (a) Amino acid activation (b) The binding of the aminoacyl-tRNA to the A site on the ribosome (c) The movement of the peptide-tRNA to the P site and the associated movement of the mRNA (d) Delta H of the above. At pH 7.0, the net charge on the peptide -Ala-Gly-Glu-Pro-would be (a) -2 (b) 1 (c) 0 (d) +1 (e) +2. Name all the amino acids with basic side chains:

Explanation / Answer

Ans 3 .b AGUCUA

The RNA transcript formed from the DNA sequence will have complimentary bases .

The complimentary base for adenine is uracil, for guanine is cytosine , for thymine is adenine, for cytosine is guanine.

So the RNA sequence according to the DNA sequence shown in question is given above.

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