A、RNA utilizes uracil (U) in place of thymine (T).
B、RNA has a 2'-OH whereas DNA does not.
C、The nucleotides in DNA are linked 3'-5' by phosphodiester bonds but in RNA they are linked 2'-5'.
D、DNA is usually double stranded and RNA is usually single stranded.
E、There is more RNA than DNA in the cell.
A、-1010110
B、11010110
C、10101001
D、10101010
A、我国国家标准采用一个字节表示一个汉字
B、表示汉字编码的两个字节每个字节的最高位均为0
C、存入1024个汉字需要1KB的存储容量
D、表示汉字编码的两个字节每个字节的最高位均为1
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