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WorksheetsAP Biology
Total questions: 20
Worksheet time: 7mins
Who started the discovery of the genetic information of DNA in 1928?
T. H Morgan
Frederick griffith
Avery
Hershey and Chase
What is the process that explains the change of genotype and phenotype du to the assimilation of foreign DNA?
(a)
What did Hershey and Chase used to confirm that there is a DNA that is responsible for the genetic information?
Bacteria
virus
Bacteriophages
animals
Who discovered that DNA has a base-pairing rule?
T.H. Morgan
Avery
F. Griffith
E. Chargraff
Who discovered the DNA structure as the double helix strand?
(a)
what do yo call when the subunits of the DNA runs in the opposite directions?
antiparallel
disposition
semiconservative model
all of the above
Where does replication begins in the DNA replication stage?
replication fork
origin of replications
DNA template
topoisomerase
What enzyme is responsible in untwisting the double helix at the replication fork?
Topoisomerase
Helicase
DNA polymerase
primase
What enzyme relieves the strain the tight twisting in the DNA strands?
topoisomerase
pimase
helicase
ligase
What is the strand that moves goin toward the replication fork?
Okazaki fragments
leading strand
lagging strand
all of the above
What is the segments/fragments that synthesize the lagging stand?
okazaki fragments
lagging strand
leading strand
What enzyme proofread the newly made DNA, replacing the old and has error base-pairs?
DNA polymerase
RNA polymerase
DNA ligase
RNA ligase
What structure ensures the protection at the ends of the chromosomes?
(a)
In bacteria, in what region is the supercoiled DNA can be found?
nucleoid
chromatin
histones
nuclear pore
What is the protein that is responsible in packing or wrapping the DNA into chromatin?
ligase
amino acid
nucleusome
histones
What is the technique used in manipulating directly the genes for practical purposes?
(a)
What do you call the resulting plasmid if one plasmid of the bacteria is inserted into a foreign DNA source?
recombinant DNA
bacterial transformation
replication
hybridization
What tool is used to produce many copies in a specific target segment of DNA?
Gene editing
DNA sequencing
PCR
Taq polymerase
What is the process when DNA template is being duplicated to create an identical copy?
tanscription
translation
replication
DNA sequencing
It is a technique where complementary base pairing can be exploited to determine the gene's complete nucleotide sequence.
DNA sequencing
Clining
Hybridization
DNA editing
