Wednesday, September 24, 2008

BSIT pointers for final exams bio lab 081008

1. Computer work with given data (lettuce lengths)
a. generate the histogram
b. find the average
c. find the standard deviation
d. get the 95% confidence interval (2pts)

2. Computer work with given data (algal growth)
a. calculate theoretical population numbers from a sigmoid curve or carrying capacity model
b. calculate chi-squares between observed and theoretical models
c. determine the best-fitted rmax using chi-squares (3pts)

3. Draw correctly
a. insect versus arachnid: highlight the differences (2pts)
b. annelid versus millipede: highlight the differences (2pts)
c. hydra

4. Computer work with given data (lettuce and hydra growth)
a. Calculate the IC50 from lettuce data
b. Calculate the EC50 from hydra data (2pts)
c. Calculate the LD50 from hydra data (2pts)

5. Draw correctly and label parts
a. dissected cockroach gastrointestinal tract with malpighian tubules
b. paramecium
c. vorticella with its stalk
d. euglena
e. tardigrade

6. Various
a. diagram how to prepare a serial two-fold dilution
b. draw the lettuce complete set-up: 8 petri dishes and their contents (including volumes and concentrations)
c. draw the hydra complete set-up: two 12-well culture plates with their contents (including volumes and concentrations)
d. draw the two forms of abnormal hydra and a normal hydra
e. describe how to prepare a solution of a given ppm

7. Draw and label
a. Warburg apparatus and ant set-up
b. rotifer
c. planaria
d. coleoptera
e. lepidoptera