DNA was discovered by _____________ in 1962.
Watson
Crick
Watson and Crick
None of these
____________ in the DNA express in the forms of proteins.
rDNA
t rna
transgene
m rna
A transgenic organism has a foreign gene in its
Cells
Organs
Tissues
Nerves
The protein produced by the trangenes are called _____________.
r proteins
B proteins
Proteins
Sugar
The amount of ___________ in cells always equals the amount of guanine.
Guanine
Cytosine
Adinine
The enzyme used in the flavouring of cheese is ____________.
Lipase
Xylose
Amylase
Pectinase
An example of transgenic plant is _____________.
Chick embryo
E-coli
Golden rice
wheat
Recombinant DNA technology (r DNA) was developed in ____________.
1970
1979
1989
1974
Vitamin B12 is produced by __________________.
Aspergillus niger
Bacillus cereus
Yeast
Streptomyces olivaceous
A ________ can be defined as a polynucleotide chain that consists of segments each controlling a particular trait.
Gene
Chromosome
DNA
RNA