DNA Structure Question Preview (ID: 22757)
DNA Structure.
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Which nitrogenous bases form a stronger bond?
a) A and T with 2 hydrogen bonds
b) G and C with 3 hydrogen bonds
c) A and T with 3 hydrogen bonds
d)
What are the 4 types of nucleotides found in DNA?
a) A, T, C, G
b) A, U, R , Q
c)
d)
The nitrogenous bases attach to
a) sugars
b) phosphate
c)
d)
What type of bond holds the nitrogenous bases together?
a) nitrogen
b) oxygen
c) carbon
d) hydrogen
DNA is only found where?
a) the nucleus
b) outside of the nucelus
c)
d)
The 5' end of a piece of DNA is found by a
a) phosphate
b) sugar
c)
d)
The 3' end of a piece of DNA is found by a
a) sugar
b) phosphate
c)
d)
Antiparallel means that strands of DNA are
a) identical on both sides
b) run in opposite directions
c)
d)
The shape of DNA is a
a) double helix
b) triple helix
c)
d)
RNA can be found
a) only in the nucleus
b) outside of the nucleus
c)
d)
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