AQA A LEVEL CHEMISTRY YEAR 2 – DNA
QUESTIONS WITH ANSWERS .
What,does,DNA,stand,for?,,,ANS,-Deoxyribonucleic,acid
What,is,DNA,made,up,of?,,,ANS,-A,chain,of,2-deoxyribose,units,connected,by,a,phosphate,ion
How,are,the,two,strands,of,DNA,held,together?,,,ANS,-Hydrogen,bonds,between,complementary,bases
What,is,the,structure,of,DNA?,,,ANS,-Double,helix
What,does,DNA,do?,,,ANS,-Carried,genetic,code,(in,chemical,form)
Which,carbon,in,deoxyribose,is,carbon,-1,?,,,ANS,-The,carbon,to,the,right,of,the,oxygen,atom
To,which,carbon,atom,is,the,2-deoxyribose,group,bonded?,,,ANS,-carbon,5
Which,carbon,does,the,phosphate,ion,on,carbon-5,bond,to?,,,ANS,-carbon,3
To,which,carbon,atom,is,the,base,bonded?,,,ANS,-carbon,1
What,are,the,names,of,the,4,DNA,bases?,,,ANS,-Adenine
Thymine
Cytosine
Guanine
Why,are,DNA,bases,referred,to,as,bases?,,,ANS,-All,contain,amino,group
What,is,the,structure,of,a,nucleotide?,,,ANS,-2-deoxyribose
QUESTIONS WITH ANSWERS .
What,does,DNA,stand,for?,,,ANS,-Deoxyribonucleic,acid
What,is,DNA,made,up,of?,,,ANS,-A,chain,of,2-deoxyribose,units,connected,by,a,phosphate,ion
How,are,the,two,strands,of,DNA,held,together?,,,ANS,-Hydrogen,bonds,between,complementary,bases
What,is,the,structure,of,DNA?,,,ANS,-Double,helix
What,does,DNA,do?,,,ANS,-Carried,genetic,code,(in,chemical,form)
Which,carbon,in,deoxyribose,is,carbon,-1,?,,,ANS,-The,carbon,to,the,right,of,the,oxygen,atom
To,which,carbon,atom,is,the,2-deoxyribose,group,bonded?,,,ANS,-carbon,5
Which,carbon,does,the,phosphate,ion,on,carbon-5,bond,to?,,,ANS,-carbon,3
To,which,carbon,atom,is,the,base,bonded?,,,ANS,-carbon,1
What,are,the,names,of,the,4,DNA,bases?,,,ANS,-Adenine
Thymine
Cytosine
Guanine
Why,are,DNA,bases,referred,to,as,bases?,,,ANS,-All,contain,amino,group
What,is,the,structure,of,a,nucleotide?,,,ANS,-2-deoxyribose
