Worksheetsch-6 BIOLOGY quiz-2
Total questions: 10
Worksheet time: 5mins
The gene sequence that codes for proteins are
Exons
Introns
Intervening sequences
Control regions
Which enzyme is not produced during lactose catabolism by E.coli?
𝜷-galactosidase
Lactose Permease
Thiogalactoside transacetylase
Lactose dehydrogenase
The anticodon of initiation codon for protein synthesis is
UUU
AUG
UAC
CAU
Select the incorrectly matched pairs
Purines – Nitrogenous bases cytosine, thymine and uracil
Recombinant DNA – DNA formed by joining the DNA segments from two different sources
rRNA – RNA found in ribosomes
ATP – The energy-carrying compound in the cell
Which step does not occur in translation?
Replication
Termination
Elongation
Initiation
Non-sense codons participate in
Releasing t-RNA from polynucleotide chain
Formation of unspecified amino acids
Terminating message of gene-controlled protein synthesis
Conversion of sense DNA into non-sense DNA
Genetic information is transferred from nucleus to cytoplasm through
RNA
Anticodon
DNA
Lysosomes
Griffith experiment was based on the principle
Transformation
Translation
Transduction
Transcription
What is the nature of the strands of the DNA duplex?
Anti-parallel and complementary
Identical and complementary
Anti=parallel and non-complementary
Dissimilar and non-complementary
AUG stands for
Alanine
Methionine
N-formyl methionine
Glycine
