Biology 9700 · AS & A Level · Testing for biological molecules
Testing for biological molecules — practice question
Fig. 1.1 shows a drawing produced from an electron micrograph of a mammalian liver cell.
(a)[6]
Complete the table by naming structures B to G and giving one function of each. The first row (A) is already done for you.
(b)[4]
As shown in Fig. 1.1, liver cells have many glycogen storage granules. Describe the molecular structure of glycogen and explain how this structure makes it suitable for storage.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The organelle has been named correctly” …