Gradegorilla Biology

10 minutes maximum! Can you do it in 5?

1. Starch is a:

2. Which one of these elements is NOT found in sugars?

3. Which chemical should you use to test for reducing sugar?

4. Four solutions are tested for protein using the biuret test.

Which solution in the table below contains protein?

5. Lipids are made up of..

6. Where would you find glycogen in a cell?

7. Proteins are made up of amino acids.
Which element is found in amino acids but NOT in fatty acids and glycerol?

8+9:
A drop of iodine solution was dropped on to some banana cells.

The sketch here shows one cell viewed using a microscope.

banana cell under microscope - diagram

8. Which substance do the oval structures X contain?

9. The cell wall Y is made of ..

10. Which of the following is the INCORRECT role for the molecule?