Neurotransmitters are hydrophilic molecules
Which of the following is not a peptide hormone?
Insulin
Glucagon
Noradrenelin
Anti-diuretic hormone
DNA fragments with sticky ends can hybridise with other DNA fragments produced by other restriction enzymes
Multi-locus probes are used for paternity tests and to screen for mutations
Which of the following are requires for PCR?
Template DNA
DNA nucleotides
Buffer solution
Dideoxynucleotides
What is DNA sequencing?
Creating a DNA sequence for producing a test tube baby
Determining the order of the nucleotide bases in a fragment of DNA
To amplify the DNA fragments for use in PCR
Linkage mapping...
determines the location of genetic markers
determines the distance between genes on the chromosomes
What are the stages that DNA technology can be used for in terms of genetic disorders?
Screening
Analysis
Diagnosis
Treatment
Cystic fibrosis disease causes a mutant form of the protein which controls the chloride ion balance in the cell
In all cases in gene therapy is is necessary to remove the defective gene to replace with a working copy
DNA profiling is used to establish the differences between genomes of different individuals
'Junk' DNA is regions in our DNA which do not code for proteins. What are these non-coding sequences also known as?
exons
introns
hypervariable
In selective breeding the organisms with unfavourable phenotype characteristics are not chosen for the breeding stock
Cisgenes are...
the recipients of artificial transfer of genes
identical genes
genes which are from an individual that has been selectively breeded
Bovine somatotrophin is a protein which increases the duration of cows lactation period
