Exam (elaborations)
Cambridge A Level Genetic Technology Exam Questions and Answers
- Course
- Institution
Cambridge A Level Genetic Technology Exam Questions and Answers
[Show more]
Content preview
Cambridge A Level Genetic TechnologyExam Questions and Answers
Genetic engineering - Answer-any procedure in which genetic information in an
organism is changed by altering the nucleotide base sequence of a gene to create a
GMO.
GMO - Answer-a genetically modified organism that has its DNA changed in a way that
does not occur naturally or by selective breeding.
Recombinant DNA - Answer-DNA made by artificially joining together pieces of DNA
from two or more different species.
Transgenic organism - Answer-any organism that contains DNA from another source,
including another organism of the same or different species.
Vector - Answer-a means of delivering genes into a cell used in gene technology (e.g.
plasmids or viruses).
Restriction endonuclease - Answer-an enzyme derived from bacteria that cuts DNA
molecules at particular sequences (usually palindromic ones) to form specific DNA
fragments.
Bacteriophage - Answer-a virus with double stranded DNA that infects bacteria.
Gene probe - Answer-a length of DNA that has a complementary base sequence to
another piece of DNA that you are trying to detect.
Genome - Answer-the complete set of genes and all genetic material present in a cell or
unicellular organism (includes genetic material inside membrane bound organelles).
Promoter - Answer-a length of DNA that includes a binding site for RNA polymerase
(and transcription factors in eukaryotic DNA) so that transcription of a gene or complex
of genes can begin.
Gene editing - Answer-deleting, inserting or replacing a length of DNA within a gene
using a method such as the Crispr/Cas9 system.
PCR - Answer-polymerase chain reaction which amplifies selected regions of DNA
using alternate stages of polynucleotide separation and DNA synthesis.
gel electrophoresis - Answer-a process used to separate charged molecules (e.g. DNA
fragments) using an electric field depending on their relative mass.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80796 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now