1. tRNA
2. mRNA
3. cDNA
4. rDNA
mRNA
1. only on the ribsomes present in cytosol
2. on ribosomes present in cytoplasm as well as in mitochondria
3. only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
4. on ribosomes present in the nucleolus as well as in cytoplasm
on ribosomes present in cytoplasm as well as in mitochondria
1. Reverse transcriptase
2. DNA dependent RNA polymerase
3. DNA polymerase
4. RNA polymerase
Reverse transcriptase
1. bacterial cell can carry out the RNA splicing reactions
2. human chromosome can replicate in bacterial cell
3. mechanism of gene regulation is identical in humans and bacteria
4. genetic code is universal
genetic code is universal
1. in the presence of glucose, E. coli cells do not utilize lactose
2. they cannot transport lactose from the medium into the cell
3. the lac operon is constitutively active in these cells
4. they cannot synthesize functional β-galactosidase
they cannot synthesize functional β-galactosidase
1. AUG
2. AUU
3. UAG
4. UVU
AUG
1. 20
2. 64
3. 61
4. 60
61
1. UCG-start
2. UUU-stop
3. UGU-leucine
4. UAC-tyrosine
UAC-tyrosine
1. Lactose
2. Lactase
3. Lac insect
4. The number 1,00,000
Lactose
1. first member of a codon
2. second member of a codon
3. entire codon
4. third member of a codon
third member of a codon