Virtual Labs

Biotechnology and Biomedical Engineering Bioinformatics and Computational Biology Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

To find out the number of times a sequence is repeated in a given DNA sequence

Choose difficulty:

Beginner

Intermediate

Advanced

Repetitive DNA sequences are

a: Long repeats of nucleotide bases occur as single or multiple copies in genome Explanation

Explanation

b: Short DNA fragments that occur as multiple copies in the genome. Explanation

Explanation

c: Short repeats of DNA fragments non-relavant to the genome. Explanation

Explanation

d: DNA sequences that are specific for prokaryotic organism Explanation

Explanation

Repetitive DNA sequences are coding sequences

a: True Explanation

Explanation

b: False Explanation

Explanation

In the tandem repeat, CGCGCGCGCG, number of repetitions of repetitive nucleotide is

a: 4 Explanation

Explanation

b: 3 Explanation

Explanation

c: 5 Explanation

Explanation

d: 1 Explanation

Explanation

Which of the following restriction enzymes cleaves methylated DNA sequences

a: Type I Explanation

Explanation

b: Type II Explanation

Explanation

c: Type III Explanation

Explanation

d: Type IV Explanation

Explanation

Recognition site of EcoR1 restriction enzyme is

a: 3'TTCGAA5 ' Explanation

Explanation

b: 5' GAATTC 3' Explanation

Explanation

c: 3' CCTAGG 5' Explanation

Explanation

d: 5 ' -CGATCG-3 ' Explanation

Explanation

5'-CGATCG-3' is the recognition site of

a: BamHI Explanation

Explanation

b: HindIII Explanation

Explanation

c: PvuI Explanation

Explanation

d: EcoRI Explanation

Explanation

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