A DNA strand has the sequence ACCGAGCTT. What is the complementary strand of RNA?

1 Answer
Nam D.
Apr 10, 2018

#"UGGCUCGAA"#

Explanation:

The strand's sequence is #"ACCGAGCTT"#.

#"A"# is for adenine, #"C"# is for cytosine, #"G"# is for guanine, and #"T"# is for thymine.

Adenine only bonds with thymine with two hydrogen bonds, while guanine bonds with cytosine with three hydrogen bonds. Note that this can happen vice-versa.

Note that uracil #("U")# is substituted for thymine #("T")#.

So, the complementary #"DNA"# strand will be:

#"TGGCTCGAA"#

And the #"RNA"# strand will be just substituting #"U"# for any #"T"#s present:

#"UGGCUCGAA"#

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