Week 1 Flashcards
What is Gregor Mendel famous for?
His research (recognised posthumously) established the rules of heredity founding the science of genetics
Which is the correct orientation to read along a DNA strand?
5’ to 3’
What type of bonds are formed between complementary base pairs in a DNA molecule?
Hydrogen Bonds
Which base pairings are correct for DNA?
C bonds with G
A bonds with T
In DNA replication, which enzyme is responsible for breaking, swiveling and rejoining parental DNA ahead of replication fork?
Topoisomerase
In DNA replication, which enzyme is responsible for replacing RNA primers with DNA?
DNA polymerase I
In DNA replication, which enzyme is responsible for unwinding and separating DNA strands?
Helicase
What was the name of Roasalind Franklin’s colleague who helped to produce the first X-ray diffraction image of DNA?
Raymond Gosling
Which are pyrimidines?
Thymine
Cytosine
Uracil
Which are purines?
Guanine
Adenine