S18-BS-161-001-97KBFV-EL-32-100/Prac ar%20208.pdf emarks now Use the picture bel
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S18-BS-161-001-97KBFV-EL-32-100/Prac ar%20208.pdf emarks now Use the picture below to answer question 18 A b Hi CH C H 18. Which of the above amino acids could form hydrogen bonds with water in an aqueous environment? A Only A B. A andE C 8, C, and D D. Only E E. None of the amino acids 19. f the anticodon on a specific IRNA mokecule is 3-ucC-5, what amino acid is linked to the tRNA molecule? A. Threonine B. Serine C. Arginine 20. The genetic code is often described as specfic, universal, and redundant. which of the folowing explains how the genetic code is specific? A. There can be multiple codons that specify the same amino acid 8. Most organisms use the same, "standard" genetic code C. Each codon specifies only one amino acid or is a stop codon. D. Some organisms incorporate non-standard amino acids in their proteins E. Some organisms have only two stop codons. 21. Which of the following DNA molecules would bind to this sequence: 5'-AATTGCCGT3? A. 5-ACGGCAATT-3 D. 3-TTAAGCCGA-5 22. On average, only 6% of a hernan gene is used to make a protein. Most orhe sequence a removed bypioe Which of the following best explains why splicing is used? A. Splicing can produce multiple proteins from the same gene. B. Splicing is an energy efficient use of DNA C. Splicing is required to add a start codon for translation. D. Splicing removes damaged DNA so that murations are not carried forward uExplanation / Answer
Answer 18. Option b
Hydrophilic amino acids are the charged amino acids which can form hydrogen binds with water. Among the given amino acids only A and E are hydrophilic namely, serine and asparagine respectively.
Answer 19. Option c
If tRNA has 3 prime UCC 5 prime
Means mRNA has 5 prime AGG 3 prime
As per genetic code AGG codes for arginine.
Answer 20. Option c
Like AUG codes for methionine, UUU codes for phenylalanine, UAG, UGA, UAA are the terminating codons.
Answer 21. Option e
As per base pairing rule, A binds to T and vice-versa and C binds to G and vice-versa.
A=T and T=A (with 2 hydrogen bonds)
G---C and C---G(with 3 hydrogen bonds)
Answer 22. Option A
By differential splicing, the same sequence of RNA can be used to synthesize different varieties of proteins.
Splicing is done to remove the non coding part or introns from the coding or the exon part. Later, exons are ligated together to form a functional RNA that undergoes translation process.
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