a
The double helix are held together by covalent bonds
b
Nucleotide is made up of ribose, phosphate and an organic nitrogen compound
c
Guanine is the opposite of cytosine
d
Adenine is the opposite of cytosine
Explanation
Correct Option
cNo explanation available
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Discussions (5)

Mobolaji Saheed
9 years ago
if opposite mean "pair with" then C is the correct answer cux A=T nd G=C.....wic are held by weak hydrogen bond....Also,it pentose sugar @ option B
C is d answer frm ma view!

Akrano
4 years ago
please could you help change the answer it might end up confusing the few of us that don't really know about it and are still trying to learn



Asorockdsky
10 years ago
Confused**** Adenine can never be the opposite of Cytosine.... Think the answer is either A/C More inclined to C


