1 |
DNA threads are chemically cut into pieces of different sizes in |
Maxam-Gilbert method
Sanger's method
Smith's method
Sanford's method
|
2 |
In 1999,transgenic crops were planted world wide on more than |
20 millions areas
35 millions areas
70 millions areas
90 millions areas
|
3 |
German botanist Gottlieb Haberlandi said in 1902 that plant cells are |
Totipotent
Potent
Totipersausive
Totistrong
|
4 |
In 1970 Hamilton D.Smith at Johns Hopkins University isolated the first |
DNA polymerase
DNA ligase
Diastase
Restriction enzyme
|
5 |
Genes that code for therapeutic and diagnostic proteins are incorporated into the animal's DNA and the proteins appear in the animal's |
Urine
Blood
Sweat
Milk
|
6 |
Commonly used restriction enzyme is |
Ecor4
Eco R3
EcoR2
EcoR1
|
7 |
DNA finger prints can also be used as |
Crime evidence
Forensic evidence
Litigation evidence
Offence evidence
|
8 |
Cystic fibrosis patients lack a gene that codes for trans-membrane carrier of the |
Chloride ion
Sodium ion
Potassium ion
Calcium ion
|
9 |
Commonly enzyme thermus aquatious is also known as |
Taq polymerase
DNA polymerase
RNA polymerase
Taq ligase
|
10 |
Adult transgenic tobacco plants glowed when sprayed with the substrate |
Luciferon
Luciferin
Luciferol
Luciferase
|
11 |
The means by which recombinant DNA is introduced into a host call is called |
Plasmid
Carrier
Vector
Lifter
|
12 |
A probe is a single stranded nucleotide sequence that will hybridize (pair) into a certain piece of |
DNA
RNA
Amino acid
Fatty acid
|
13 |
A full set of genes of an individual is called |
Genotype
Genomic library
Genome
Allelomorph
|
14 |
A callus is an undifferentiated group of |
Cells
Tissues
Organs
Systems
|