6.2 DNA Structure & Function Flashcards
1
Q
transformation
A
a change in a genotype or phenotype caused by the direct uptake of genetic material by a cell
2
Q
bacteriophage
A
a virus that infects bacteria
3
Q
purine
A
a class of nitrogenous bases with a double-ring structure
(e.g adenine and guanine)
4
Q
pyrimidine
A
a class of nitrogenous bases with a single-ring structure
(e.g. thymine and cytosine)
5
Q
complementary base pairing
A
the chemical tendency of adenine to form hydrogen bonds with thymine, and cytosine to form hydrogen bonds with guanine
