AP BIOLOGY

LABORATORY REVIEW

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A strand of DNA has these bases:AGC CAT GTA TAC. What is the complementary DNA strand? (3.1.1)
A
ACG GAT CTA TAG
B
TCG GTA CAT ATG
C
TGC CTA GAT ATC
D
UCG CUA CAU AUG
Explanation: 

Detailed explanation-1: -Nucleic acid base sequences that can form a double-stranded structure by matching base pairs; the complementary sequence to G-T-A-C is C-A-T-G.

Detailed explanation-2: -The if given the base sequence for one strand: 5’-AGGTCCG-3’, the complimentary strand must have the sequence: 3’-TCCAGGC-5’.

Detailed explanation-3: -If the base sequence of one strand of DNA is CAT, TAG, CAT, CAT, GAC, the base sequence of its complementary mRNA would be GUA, AUC, GUA, GUA, CUG.

There is 1 question to complete.