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Worksheets11 resit
Total questions: 15
Worksheet time: 18mins
1ـ the process in which an unknown genetic model is mated to another is called....................
Selective breeding
hybridization
in breeding
Test cross
2 ـ the technique of controlling the DNA of an organism in order to add an exogenous nuclear acid
Gel electrophorese
recombined DNA
Genetic engineering
all previous
the process in which the cells are take up recombinant DNA is called
linking
suctioning
transformation
transport
the enzyme that binds the DNA parts together is
Polymerase
ligase
Eco RI
Helicase
DNA separation technique according to size of the parts called.......... The smaller pieces are closer
Gel electrophoresis ـ positive
recombinant DNA negative
Gel electrophoresis ـ negative
recombinant DNA ـ positive
In PCR the separation of DNA tapes requires the process ............ while the integration of primers requires
cooling ، heating
heating ، heating
heating ، cooling
Cooling ، Cooling
The nitrogenous G is always Incorporating with the nitrogen base ......................
A
C
G
T
Endings that do not contain a single strand of DNA are called ..............ـ
Sticky ends
Connected ends
blunt end
cut end
Genetic engineering has improved the nutritional value of rice in improving its level of...
Carbohydrate
iron and vitamins
oils
Na and Ca
Cloning is a process......................
Increased DNA copies in the nucleus
introduce new genes
Remove unwanted genes
from multiple identical cells
12 ـ The technique in which large numbers of genes or pieces of DNA are produced ......................
DNA microarrays
PCR
Bioinformatics
DNA sequenced
the process by which desired traits selected and passed on to future generation
selective breeding
hybridization
inbreeding
test breeding
small,circular, double stranded DNA molecules are called
carrier
vector
viruses
plasmid
in recombinant DNA technology if the cleavage with the same enzyme the fragments will be
the same
opposite to each other
alternate
complementary
biodegradable plastics produce by:
banana
E.coli
C.elegans
mycobacterium
