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Biology

Biology · Quick practice · answer shown after each question

DNA and protein synthesis

Question 1 of 10

Question 1 of 10

Translation of mRNA takes place at the

Question 2 of 10

Question 2 of 10

In RNA, the base that replaces thymine is

Question 3 of 10

Question 3 of 10

A sequence of three bases coding for an amino acid is a

Question 4 of 10

Question 4 of 10

DNA replication is described as semi-conservative because

Question 5 of 10

Question 5 of 10

A DNA strand has the base sequence ATG CCA. The complementary mRNA is

Question 6 of 10

Question 6 of 10

The process by which DNA makes an exact copy of itself is

Question 7 of 10

Question 7 of 10

A group of three bases on mRNA that codes for one amino acid is a

Question 8 of 10

Question 8 of 10

In DNA, adenine pairs with

Question 9 of 10

Question 9 of 10

The double-helix model of DNA was proposed in 1953 by

Question 10 of 10

Question 10 of 10

RNA differs from DNA because RNA contains

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.