446901
Frage 1
Frage
What is a genome?
Antworten
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It is all of the genes possessed by an individual organisms.This includes the sequence of bases in the entire DNA of an organism.
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It is the sequencing of an organism.
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It is a section of the gene possessed by an organism.
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This is all the genes possessed by all of the organisms in a similar species.
Frage 2
Frage
What are the advantages of genome sequencing?
Antworten
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Shows evolutionary relationships.
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Shows the effects of mutations.
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Shows the possibility of a mutation.
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Shows the alleles for a disease.
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Shows the importance of bases in DNA.
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Shows how genes can be manipulated for human benefit.
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Helps create bio-fortified products.
Frage 3
Frage
'Micro-satellites are long sequences of DNA'.
Antworten
- True
- False
Frage 4
Frage
'BACs stands for Bacterial Artificial Chromosomes which are man-made plasmids'.
Antworten
- True
- False
Frage 5
Frage
Why are computer programmes used in genome sequencing?
Antworten
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To compare the overlapping regions of DNA.
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To check the criminals of the world.
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To compare whether the genes can be bio-fortified.
Frage 6
Frage
What is genetic fingerprinting?
Antworten
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DNA fragmentation and electrophoresis gives banding patterns unique to individuals.
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It gives the sequence of DNA.
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It obtains a particular gene and inserted into a recipient's organism.
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Comparing genes for the same proteins across a range of organisms.
Frage 7
Frage
What is recombinant DNA?
Antworten
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It is made by cutting DNA and sticking it together.
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This occurs by conjugation of bacteria which binds two forms of plasmids.
Frage 8
Frage
'Restriction enzymes restrict the DNA from transcribing mRNA'.
Antworten
- True
- False
Frage 9
Frage
Why is DNA heated in automated sequencing?
Antworten
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To break the hydrogen bonds (by denaturing them) which gives two polynucleotide chains.
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To create a number of bases that can be amplified by PCR.
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To separate the fragments for electrophoresis.
Frage 10
Frage
Why do the DNA fragments in electrophoresis move to the anode (positively charged electrode)?
Antworten
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This is because they are positively charged and two positive separates them.
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This is because they are negatively charged and the negative DNA fragments are attracted to the anode.
Frage 11
Frage
Why is buffer solution required in electrophoresis?
Antworten
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To separate the sections of DNA.
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To conduct electricity.
Frage 12
Frage
'The longer the fragments, the quicker they move' in electrophoresis.
Antworten
- True
- False
Frage 13
Frage
Primers bind at the complementary regions of DNA and probes bind at the start of DNA.
Antworten
- True
- False
Frage 14
Frage
Annealing is binding of base sequences.
Antworten
- True
- False
Frage 15
Frage
What are sticky ends?
Antworten
-
They are short, unpaired, exposed bases.
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They are bases that are attached to restriction enzymes.
Frage 16
Frage
The insulin comes from beta cells in the liver.
Antworten
- True
- False
Frage 17
Frage
How is the DNA formed from the insulin gene?
Antworten
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mRNA is extracted and incubated via reverse transcriptase which makes DNA using RNA.
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It is completed by conjuration of bacteria formed in fermenters.
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It is completed by the ligase enzyme.
Frage 18
Frage
Why is the ligase enzyme used to make insulin?
Antworten
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It combines the insulin DNA and the plasmid from the bacteria (usually E. Coli).
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Creates the backbone of DNA.
Frage 19
Frage
Golden rice is bio-fortified with vitamin B.
Antworten
- True
- False
Frage 20
Frage
Where is beta carotene extracted from?
Antworten
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Daffodils
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Bacterium: Erwina uredonma
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Lillies
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Wheat
Frage 21
Frage
Xenotransplantation is the transplantation of cells, tissues or organs between animals of different species.
Antworten
- True
- False
Frage 22
Frage
Gene therapy involves replacing a gene that are not functioning.
Antworten
- True
- False
Frage 23
Frage
Somatic gene therapy only affects skin cells.
Antworten
- True
- False
Frage 24
Frage
Genes are passed onto offspring in germ line gene therapy.
Antworten
- True
- False
Frage 25
Frage
What are the ethical effects of microorganisms?
Antworten
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Cross contamination of other microorganisms.
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Mutations of microorganisms which could lead to resistance.
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Produce deadly toxins that lay in our food.
Frage 26
Frage
What are the temperatures of PCR that need to be set?
Antworten
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95, 55 and 72.
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75, 80 and 40.
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60, 40 and 81.
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110, 80 and 41.
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