UTRs are required for efficient translation, which are present on

1. 3' mRNA

2. 5' mRNA

3. T$\mathrm{\psi }$C region of tRNA

4. Both (1) & (2)

During DNA finger printing experiment DNA bands of different sizes gives a characteristic pattern for an individual, called as

1. Dendrograph 

2. Autoradiogram

3. Cladogram

4. Phenogram

DNA polymorphism is equivalent to allelic sequence variation and 

a. These are inheritable

b. These can be observed in non coding DNA

c. Satellite DNA is an example for such variations

1. All are correct

2. Only c is correct

3. Both a and c are incorrect

4. Only b is incorrect

Which one of the following is incorrectly matched pair with respect to DNA fingerprinting?

1. Size separation - Gel electrophoresis

2. VNTRs from Gel to Nylon paper - Blotting technique

3. Microsatellites - ESTs

4. RFLP amplification - PCR

Choose the odd one out with respect to Taylor's experiment

1. Used roots of Vicia faba

2. Utilised radioactive thymidine

3. Used heavy nitrogen

4. Proved DNA in chromosomes replicate semi-conservatively

An mRNA synthesized by using 144 nucleotides is capable of producing a polypeptide chain of

1. 48 amino acids

2. 47 amino acids

3. 282 amino acids

4. 141 amino acids

Process of translation of the mRNA to protein begins when

1. Small subunit of ribosome encounters with mRNA

2. Aminoacylation of tRNA occurs

3. Amino acid activation occurs

4. Charged tRNA sequentially binds to the appropriate codon in mRNA

Transduction experiment to prove DNA as a genetic material was conducted by Hershey and Chase with the use of radioactive elements, namely

1. S³² and P³⁵ 

2. S³⁵ and P³² 

3. N¹⁵ and H³ 

4. C¹⁴ and H³ 

Which of the given is not among the salient features of HGP?

1. Human genome contains about 316.7 bp

2. Average gene size is 3000 bases

3. Less than 2% of genome codes for proteins

4. Chromosome 1 has most genes i.e., 2968

Which of the following is not a codon of glycine?

1. GGC

2. GCG

3. GGU

4. GGA