Summary Unit 6: Nucleic Acids and Protein Synthesis

Topic : Nucleic Acids and Protein
synthesis
61 Structure
of Murai alias and
reputation of DNA
1. Describe the structure
of nucleotides including the phosphorylated nucleotide ATP
,




DNA structure

DMA Nucleotide
phosphate Group


c¥
0
Nitrogenous
Base
4 I




3 2




Penrose
sugar
www.eaeiusCDMA/nm-)aremauomtewhes+PoYmeL
→


, made
up of many monomers in achain




Monomers that make DNA and RNA are nucleotides DNA and 12nA
pohpuuleohiles
→ :.
up are




Nucleotides

phosphate

of 3 group
Made
components
:


up
① Nitrogenous base
nitrogenous
base


② Penrose
sugar pentose
sugar


③ Phosphate group
DNA RNA
properties
vs


DNA RNA




Pentose
Sugar Deoxyribose Ribose




Adenine Adenine
Bases Guanine Guanine

Cytosine Cytosine
Uracil
Thymine
Number
of strands Double helix
high Strand

, ATP

ATP is another
typeofmueeieaeidandis structurally similar to DMA and RNA
NHZ


Phosphorylated nucleotide
PHOSPHATE
N
Groups N NITROGENOUS
ADENINE
BASE
0 0 0 N
N
One
phosphate group → Amp
O
-




P O P O P O CH
Two
phosphate groups App
.
→

° ° °
'




Three ATP
phosphate groups → 0
pentose
RIBOSE
groan




ADENOSINE



AMP



ADP


ATP




what nucleotide?
are the
differences between Atp and a DNA

ATP :
DNA

→ three
phosphate groups → one
phosphate group
→ adenine
nitrogenous base →
any nitrogenous
base



→ ribose deoxyribose sugar
sugar →


Give the equation
for formation / hydrolysis of ATP
Formation
Hydrolysis
ADPTP → ATP ATP → ADP + P


What are histones ?


Proteins that wraps around DNA