Micro & Disease Sht_3
This Homework requires GRAPH PAPER!
1. a) Below is a list of improtant processes. Which of the process require the help of micro-organisms?
b) Choose two of the processes which do require micro-organisms and briefly describe the type of micro-organism and the role it plays in the production of the food.
2. Biotechnology uses micro-orgnisms to produce materials which can be useful. In the future these micro-organisms wil be increasingly important.
a) Explain how micro-organism might help reslve our fuel crisis?
b) In what way might micro-organisms help us in medicine.
c) If you spill some egg on your shirt, what type of poder, biological or non-biological would be best used to clean it? Explain your choice.
3. Humans produce antibodies to protect against virus infections.
A scientist investigated the effect of a virus infection on the antibody concentration in a person’s blood. The results are shown below.
The person was infected by day 3.
a) Present the data in the table as a line graph.
b) Why does the body produce antibodies when infected by the virus?
c) Predict how the antibody concentration would change over time if the patient was given an antibiotic on day 7.
