Font size
WorksheetsMOLECULAR BIOLOGY
Total questions: 21
Worksheet time: 13mins
What is the diameter of DNA helix ?
15 nm
34 nm
2 nm
20 nm
Represented image belongs to-
PAGE
agrose gel electrophoresis
Fingerprinting
PCR
which type of genetic trait is reprented by given pedigree represents
Autosomal Recessive
X linked Dominant
Y linked
Autosomal dominant
Which of the following protein is not associated with histone octamer in nucleosome?
H1 Histone
H2A Histone
H2B Histone
H3 Histone
Which of the following image belongs to t-RNA
If height and flower color are completely linked then what phenotypic ratio is supposed to appear in F2 generation?
9:3:3:1
1:4:6:4:1
3:1
1:1:1:1
How many types of t-RNA are there on the basis of Codons.?
64
61
20
4
3'-ATATTTAGGCGTGTAAT-5'
Is sequence of non-coding strand, What would be the sequence of mRNA ?
5'-AUAUUUAGGCUGUAAU-3'
3'-AUAUUUAGGCUGUAAU-5'
5'-UAUAAAUCCGACAUUA-3'
None of the above
Best representation of test cross is.
Tt ×Tt
AABB × aabb
Aa ×aa
TtRrYy × ttrryy
Which of the following is not correct for B-DNA
It is right handed DNA
Distance between two successive base pairs is 3.4 nm.
Uniform helix diameter is 25A°
A+T = G+ C
"One amino acid is encoded by one or more than one codons" Which property of genetic Code is best explained by this statement?
Degenaracy of Codon
Universal Nature
Non overlapping
Unambiguous
If A normal DNA is allowed to replicate in heavy ( N15) medium for 60 minutes. How many light DNA molecules will present after experiment?
0
1
2
4
Which image is representative of Transduction Experiment?
None
Transformation experiment is represented in which image
None
Replication of Heterochromatin is taken place in.?
Early S phase cell cycle
Early M phase cell cycle
Late S phase of cell cycle
Never replicates.
Number of base pairs in a nuckeotide-
120
140
160
200
In Hershsy- Chase experiment, Hereditary nature of DNA was proved by the presence of .............. in progeny of phage particles?
S-35
N-15
P-30
P-32
Most unstable form of RNA is.
t-RNA
r- RNA
m-RNA
Hn-RNA
Which pair is correctly matched?
AUG - Glycine
DNA dependent RNA polymerase- Replication
LacY gene- Permease
Okazaki fragments- leading strand
Which of the following gene of Lac Operon is constitutive / House keeping gene
Lac I gene
Lac Z gene
Lac Y gene
Lac A gene
Which of the following image belongs to t-RNA
