By convention, the sequence of bases in a nucleic acid is always written in which direction? a) 3/→ 51 О b) 51→ 31 c) amino to carboxyl d) carboxyl to amino

Organic And Biological Chemistry
7th Edition
ISBN:9781305081079
Author:STOKER, H. Stephen (howard Stephen)
Publisher:STOKER, H. Stephen (howard Stephen)
Chapter11: Nucleic Acids
Section: Chapter Questions
Problem 11.137EP: Consider the following DNA base sequence 3TTAATA5 a. What dipeptide is formed from the transcription...
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By convention, the sequence of bases in a nucleic acid is always written in which
direction?
a) 3/→ 5/
b) 5/→ 3/
c) amino to carboxyl
d) carboxyl to amino
Transcribed Image Text:By convention, the sequence of bases in a nucleic acid is always written in which direction? a) 3/→ 5/ b) 5/→ 3/ c) amino to carboxyl d) carboxyl to amino
Why is DNA said to be antiparallel?
a) Each strand of the double helix is made up of a sugar phosphate backbone
which runs in the 5' to 3' direction.
b) DNA has polarity such that one strand runs in the 3' to 5' direction and the
other in the 5' to 3' direction.
c) The two strands of DNA are joined together via complementary base pairing
such that AT run in the 3'to 5' direction and CG run in the 5' to 3' direction.
d) The DNA strands twist into a helix conformation once the bases have joined
to form major and minor grooves.
Transcribed Image Text:Why is DNA said to be antiparallel? a) Each strand of the double helix is made up of a sugar phosphate backbone which runs in the 5' to 3' direction. b) DNA has polarity such that one strand runs in the 3' to 5' direction and the other in the 5' to 3' direction. c) The two strands of DNA are joined together via complementary base pairing such that AT run in the 3'to 5' direction and CG run in the 5' to 3' direction. d) The DNA strands twist into a helix conformation once the bases have joined to form major and minor grooves.
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