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WorksheetsDNA Tools 12 & 11 G
Total questions: 17
Worksheet time: 13mins
In a laboratory experiment, Evelyn, Jackson, and Isla are studying restriction enzymes. They learn that restriction enzymes recognize and bind to specific DNA sequences and cleave the DNA within that sequence.
True
False
There are 4 types of Nitrogen bases in DNA : A U G C
True
False
How do restriction enzymes "know" where to cut DNA
A specific sequence of nucleotides
They cut randomly
Distance from the centromere
"Sticky-ends" are DNA strands with:
single-stranded ends
ends cut flat by an enzyme
no way to be recombined
What is the correct term for a restriction enzyme?
DNA ligase
Taq polymerase
Endonuclease
Manorlakease
What type of cut is this photo?
Blunt
sticky
is the total DNA present in the nucleus of each cell
genome
restriction enzymes
EcoR1 cut
proteins that recognize and bind to specific DNA sequences and cleave the DNA within that sequence
genome
restriction enzymes
EcoR1 cut
the enzymes have been discovered in bacteria?
viruses
portions
bacteria
which of the following sequences the EcoR1 cut
GAATTC
CCCATG
GGATCC
Organism that contains genes from two different organisms
gel electrophoresis
cell transformation
transgenic organisms
restriction enzyme
Process where DNA fragments can be separated and analyzed by placing it in a gel and applying an electric current
gel electrophoresis
polymerase chain reactions
recombinant DNA (rDNA)
clone
