DNA fingerprinting refers to:
1. | Analysis of DNA samples using imprinting devices |
2. | Techniques used for molecular analysis of different specimens of DNA |
3. | Techniques used for the identification of fingerprints of individuals |
4. | Molecular analysis of profiles of DNA samples |
During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be:
1. TCTGG
2. UAUGC
3. UATGC
4. TATGC
Number of base pairs in human chromosomes are:
1.
2.
3.
4.
In a mutational event, when adenine is replaced by guanine, it is a case of:
1. Transcription
2. Transition
3. Transversion
4. Frameshift mutation
The following ratio is generally constant for a given species:
1. | T + C / G + A | 2. | G + C / A+ T |
3. | A + C / T + G | 4. | A + G / C +T |
Initiation codon in eukaryotes is:
1. UGA
2. CCA
3. AGA
4. AUG
During the replication of bacterial chromosomes, DNA synthesis starts from a replication origin site and:
1. Is facilitated by telomerase
2. Moves in one direction of the size
3. Moves in a bi-directional way
4. RNA primers are involved
After a mutation at a genetic locus, the character of an organism changes due to the change in:
1. DNA replication
2. Protein synthesis pattern
3. RNA transcription pattern
4. Protein structure
Gene is composed of:
1. Amino acids
2. Polynucleotide
3. Fatty acid
4. Nitrogen bases
Which form of RNA has a structure resembling clover leaf?
1. hn-RNA
2. m-RNA
3. t-RNA
4. r-RNA