Biology Exam Questions Schools Online Exam Quiz
Biology Exam Questions Schools GK Quiz. Question and Answers related to Biology Exam Questions Schools. MCQ (Multiple Choice Questions with answers about Biology Exam Questions Schools
What temperature is suitable for heat-shock treatment?
Options
A : 100°C
B : 0°C
C : 42°C
D : 95°C
Which metal microparticles are used in gene gun?
Options
A : Aurum
B : Nitrogen
C : Magnesium
D : Cuprum
Which divalent cations are usually used to make competent cells?
Options
A : Carbon
B : Nitrogen
C : Copper
D : Calcium
Competent cells can be prepared using ________
Options
A : electrophoresis
B : chromatography
C : heat-shock treatment
D : pipetting
The method by which recombinant DNA is directly injected into the nucleus of an animal cell is called ________
Options
A : heat-shock
B : micro-injection
C : transferring
D : insertional inactivation
The molecule which dissolves in water is called _______
Options
A : hydrophilic molecule
B : hydrophobic molecule
C : soluble molecule
D : insoluble molecule
______ is a hydrophilic molecule.
Options
A : Lipid
B : DNA
C : Palmitic acid
D : Lipohilic
Biolistics is also known as ______
Options
A : micro-injection
B : micro-pipetting
C : insertional inactivation
D : gene gun
Calcium is a ________ cation.
Options
A : monovalent
B : trivalent
C : divalent
D : tetravalent
Which method uses a ‘disarmed pathogen’ vector?
Options
A : Transformation
B : Biolistics
C : Insertional inactivation
D : Sequencing
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