4. The three steps involved in the process of protein synthesis are cell signaling, transcription and

2.1 ¿Qué animales tiene Pedro?  (1)

Question 6.2   Choose the correct answer. Which statement about opaque objects is true? a.  They bend light b.  They block light c.  They filter light d.  They let light through (1)

Question 5.3   Compare the snake fossil with the snake skeleton and write down one similarity and one difference you can see between them.   Click on the button below to open the picture of the snake fossil and snake skeleton. (2)

Question 3 Answer the following questions regarding microorganisms:

Question 5.2   List one way in which an animal or insect’s body can be preserved in the fossilisation process. (1)

Question 4.2   List the different blood vessels in the circulatory system and describe the function of each. (2)

Question 1.4.2   What is the source of energy for a solar panel? (1)

1.3 Juan tiene los ojos marrones. [body3]  (1)

Question 4.4.3   Jim is 34 years old. Calculate his maximum heart rate. (1)