BMS 528 ch 22- DNA replication EXAM 1 Question and answers correctly solved

BMS 528 ch 22- DNA replication EXAM 1
Question and answers correctly solved
what structures are purines? ~ AG - correct answer ✔adenine (DNA/RNA)


guanine (DNA/RNA)


what structure of pyrimidines ~ CTU5 - correct answer ✔cytosine
(DNA/RNA)


thymine (DNA)


5- METHYLCYTOSINE


URACIL (RNA)


Nucleosides consist of - correct answer ✔sugar and nitrogenous base


Nucleotides are composed of - correct answer ✔pentose sugar, nitrogenous
base, phosphate group


STRUCTURE OF NUCLEIC ACIDS:




_____: sequence of nucleic acids

, Secondary: ____ arrangements of nucleotide residues with respect to one
another. ____ ____ folding interactions such as the double helix


Tertiary: Longer range ___ interactions. Superhelical forms: Over- and _____,
cruciforms - correct answer ✔primary


3D, SHORT TERM


3D, underwinding


Chargaff's rules; DNA base composition: mole percent
A = ___ and G = ___ - correct answer ✔T
C


DNA replication - DNA template-directed duplication of the genome prior to __
___


____ - DNA template-directed biosynthesis of RNA


Reverse transcription - ____ template-directed biosynthesis of ____


____ - mRNA template-directed biosynthesis of proteins - correct answer
✔cell division


transcription