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WorksheetsMOLECULAR BASIS OF INHERITANCE - Quiz 10
Total questions: 10
Worksheet time: 4mins
The enzyme, which helps to cut one strand of DNA duplex to release tension of coiling of two strands is:
DNA ligase
DNA polymerase-I
Topoisomerase
Helicase
Which of the following amino acid is coded by a single codon?
Lysine
Arginine
Tryptophan
Phenylalanine
To make protein with 178 amino acid from eukaryotic gene having 1350 bp, the length of initial and processed mRNA transcript would respectively be
640 b, 52 b
1350 b, 1350 b
1350 b, 537 b
670 b, 540 b
The number of base substitution possible in amino acid codons is
261
2645
535
549
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ?
11
33
333
1
The experimental proof for semiconservative replication of DNA was first shown in a
Plant
Bacterium
Fungus
Virus
The genetic code of proline are :
CCC CCG CCU
CUU UCA CUG
GUU GUC GUG
GGU GUC GGA
Correct sequence for Alanine code:
GCU, GCC, GCA
GAU, GAC, GAA
AGU, AGC, AGA
GUU, GUC, GUA
What will be the sequence of mRNA produced by the following stretch of DNA?
3' ATGCATGCATGCATG 5' TEMPLATE STRAND
5' TACGTACGTACGTAC 3' CODING STRAND
3' AUGCAUGCAUGCAUG 3'
3' AUGCAUGCAUGCAUG 5'
5' UACGUACGUACGUAC 3'
3' UACGUACGUACGUAC 5'
Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?
Genetic code is not ambiguous
Genetic code is redundant
Genetic code is nearly universal
Genetic code is specif
