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If a DNA strand has a base sequence TCA, its complementary strand must be?

Biology
JAMB 2021

If a DNA strand has a base sequence TCA, its complementary strand must be?

  • A. ATG
  • B. TAG
  • C. GAT
  • D. AGT
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Correct Answer: Option D
Explanation

The complementary strand for TCA is AGT

A T
G C
T A
C G
A T
T A
G C
A T

 

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts