Which statement is FALSE about DNA and RNA?
A)
DNA is double stranded, while RNA is single stranded.
B)
RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.
C)
DNA contains the base uracil, while RNA contains the base thymine instead.
D)
DNA is found in chromosomes in the nucleus, while RNA can move around the cell.

@alphadxg

Question

Which statement is FALSE about DNA and RNA?
A)
DNA is double stranded, while RNA is single stranded.	
B)
RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.	
C)
DNA contains the base uracil, while RNA contains the base thymine instead.	
D)
DNA is found in chromosomes in the nucleus, while RNA can move around the cell.

@alphadxg

alphadxg · Answer

A - True
B - True
D - True
C - False, In RNA, the DNA base thymine is replaced by uracil, a fifth nucleotide which is almost chemically identical to thymine, but lacks its 5′ methyl group. Cytosine can deaminate spontaneously to produce uracil (U).