Register

GATE2020: 44

• recategorized by
0 0 votes
$E$ coli was grown in $^{15}N$ medium for several generations. Cells were then transferred to $^{14}N$ medium, allowed to grow for $4$ generations and $DNA$ was isolated immediately. The proportion of total $DNA$ with intermediate density is ___________ (round off to $2$ decimal places).

Please log in or register to answer this question.

Voting & Accepting an answer helps improve the community
Answer:

Related questions

0 0 votes
0 0 answers
soujanyareddy13 asked Nov 3, 2020
GATE2020: 47
The amino acid sequence of a peptide is $Phe-Leu-lle-Met-Ser-Leu$. The number of codons that encode the amino acids present in this peptide is given below:Phe: $2$ codons...
0 0 votes
0 0 answers
soujanyareddy13 asked Nov 3, 2020
GATE2020: 43
The sequence of a $1$ $Mb$ long $DNA$ is random. This $DNA$ has all four bases occurring in equal proportion. The number of nucleotides, on average, between two successiv...
0 0 votes
0 0 answers
soujanyareddy13 asked Nov 3, 2020
GATE2020: 30
$W,X$ and $Y$ are the intermediates in a biochemical pathway as shown below:$$S \cdots \cdots \rightarrow W\rightarrow X\rightarrow Y\rightarrow Z$$Mutants auxotrophic fo...
0 0 votes
0 0 answers
soujanyareddy13 asked Nov 3, 2020
GATE2020: 36
Determine the correctness or otherwise of the following Assertion [$a$] and the Reason [$r$].Assertion [$a$]: Embryonic stem cells are suitable for developing knockout mi...
0 0 votes
0 0 answers
soujanyareddy13 asked Nov 3, 2020
GATE2020: 41
Which of the following statements about gene therapy are CORRECT?Affected individuals, but not their progeny, can be cured through germline gene therapyAffected individua...