Which three kinds of compound are joined together in DNA?
DNA is made of two strands joined together. Draw a block diagram to show this, with two repeat units in the backbones, labelling the parts and showing and labelling the bonds between the strands.
DNA is used to code for the making of a specific protein. Arrange the biochemical structures below in the correct order from the use of DNA as a template to the protein being formed by writing each name in the appropriate box.
There are four different bases in mRNA. How many different triplets can be formed from these four bases?
Which peptide fragment is produced by the following sequence when it is read from left to right? (Use 3-letter abbreviations for amino acids.) 5’-AUGAGCCGACUUGACGUG-3’
What effect would changing the 11th base from U to C have?