Write: A friend tells you he is 30m from the fountain in the middle of the city. Write a one page paper explaining why you cannot identify your friend's position from this description. Students should explain that you cannot identify the friend's position because you also need to know which direction the friend is relative to the fountain.
A malnourished child presents with bruising and bleeding gums. The illness is characterised by abnormal collagen and absence of proline hydroxylation. Which vitamin is deficient in this child?
1. K 2. C 3. E 4. A
Gluconeogenesis involves the______.
1. synthesis of glycogen from glucose 2. breakdown of glycogen to form glucose 3. breakdown of glucose to produce pyruvate 4. synthesis of glucose from non-carbohydrate precursors
The bases of RNA are the same as those of DNA with the exception that RNA contains_______.
1. cysteine instead of cytosine 2. uracil instead of thymine 3. cytosine instead of guanine 4. uracil instead of adenine