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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

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

Question 2 of 10

Question 2 of 10

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

Question 3 of 10

Question 3 of 10

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

Question 4 of 10

Question 4 of 10

In RNA, the base that replaces thymine is

Question 5 of 10

Question 5 of 10

In DNA, adenine pairs with

Question 6 of 10

Question 6 of 10

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

Question 7 of 10

Question 7 of 10

Translation of mRNA takes place at the

Question 8 of 10

Question 8 of 10

If 30% of the bases in a DNA molecule are adenine, the percentage of guanine is

Question 9 of 10

Question 9 of 10

DNA replication is described as semi-conservative because

Question 10 of 10

Question 10 of 10

The making of messenger RNA (mRNA) from a DNA template is

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