D: peptide
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A human chromosome is made up of different parts. Some parts of a typical human chromosome are more numerous than oth…
A piece of double-stranded DNA containing 12 × 10³ nucleotides is transcribed and translated to produce a single poly…
Which statements about complementary base pairing are correct? 1 Cytosine forms two hydrogen bonds with guanine. 2 P…
A sample of milk is tested with Benedict's solution. After boiling, a yellow colour is observed. Which conclusion is …
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Haemoglobin consists of two α chains and two β chains. Approximately 5% of all humans have one amino acid in the β ch…