A tRNA with an anticodon UAA will be charged with which amino acid?
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5.2.1 Explain a safety precaution that should be taken whe…
5.2.1 Explain a safety precaution that should be taken when carrying out this test. (2)
6.3.1 Name the enzyme that digests the starch in the barle…
6.3.1 Name the enzyme that digests the starch in the barley. (1)
9.16 What helps oxygen to be absorbed rapidly into the blo…
9.16 What helps oxygen to be absorbed rapidly into the blood in the lungs? (1)
3 The human kidney removes urea from the blood. 3….
3 The human kidney removes urea from the blood. 3.1 Name two other substances the kidney removes from the blood. (2)
6.2.2 Why is it important to use sterile bottles? (1)
6.2.2 Why is it important to use sterile bottles? (1)
QUESTION 7
QUESTION 7
TOTAL QUESTION 8 [13]
TOTAL QUESTION 8 [13]
4.2 Reflexes in animals and phototropism in plants are bot…
4.2 Reflexes in animals and phototropism in plants are both responses to stimuli. 4.2.1 Give two similarities between the mechanisms involved in each response (2)
4. A person touches a sharp pin. The diagram s…
4. A person touches a sharp pin. The diagram shows the reflex arc involved in the response to this stimulus. Right-click on the following button to open Figure 4.1 4.1.1 Name the parts labelled A, B, C and D. [partA] [partB] [partC] [partD] (4)