pretty please check answers will give medal

3. What structural problem prevents adenine from pairing with guanine? (1 point)
The bases are both short.***
They lack phosphate groups.
They lack the deoxyribose group.
The bases are both long.

Question

pretty please check answers will give medal

3.   What structural problem prevents adenine from pairing with guanine?  (1 point)
The bases are both short.***
They lack phosphate groups.
They lack the deoxyribose group.
The bases are both long.

anonymous · Answer

8.   DNA from one species differs from the DNA of another species in its _____.  (1 point)base ratios
sugars
phosphate groups
all of the above***

anonymous · Answer

#3 is wrong. They are both long