If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1 Answer : (2) 33...
7 If the DNA codons are CAT CAT CAT, and a Guanine base is added at the beginning, then which would result? a) G CAT CAT CAT b) GCA TCA TCA T c) Frameshift mutation d) Both b and c Answer : ANS: d Both b and c...
A bacterial colony containing DNA made up of 100% N15 nitrogen bases is allowed to replicate in a medium containing N14 bases. After one round of replication the result would be a) All individuals ... Only 50% individuals would be hybrids d) All individuals would have DNA made up of 100% N14 Answer : b) All individuals will be hybrids...
If one strand of DNA has the nitrogenous base sequence as ATCTC, what would be the complementary RNA strand sequence ? (1) ATCGU (2) TTAGU (3) UAGAC (4) AACTG Answer : (3) UAGAC...
6. In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be ... not the non-transformants can survive. (d) transformants cannot survive, but non-transformantscan not.
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