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General Biology I
Review of Lab Practical I
line of descent 1: This list concentrates on the important topics you HAVE to recognize before taking
your lab practical I exam. This in NO WAY means that the questions of the lab practical
will be near from the contents of this review.
Note 2: W hile working in the lab, Make sure that you know the name of each bill and
instrument you use.
Exercise 1: Measurements, lab techniques, and biologic organization.
The scholarly person should know:
1. How to convert between related units in the mensurable system.
2. How to measure the three dimensions of length, width, and height of different
sized rectangular wooden blocks to the nearest tenth of a centimeter.
3. How to code the come along bailiwick of wooden blocks.
4. How to calculate the wad of wooden blocks.
5. How to calculate the surface area to volume ratio by dividing the surface area
(cm2) by the volume (cm3).
6. What relationship exists between surface area to volume ratio (cm2/cm3) and
volume (cm3) of wooden blocks.
7. How to measure the volume of rebel shaped solids using water displacement
technique.
8. What relationship exists between the units of ml and cm3.
9. How to use and read the triple beam balance in order to determine the mass of
an object in grams.
10. How to calculate the density of any object.
11.



How to determine which objects float and which objects sink in water by
comparing the density of each object to the density of water (1 g/ml or
1 g/cm3).
12. The levels of biological organization with some examples on each.
13. The answers to all of the practice problems at the end of the exercise
(pages 1-16 and 1-17).
Exercise 2: Functional Groups, Organic Molecules, Buffers, and Dilutions
The pupil should know:
1. The type and arrangement of atoms (ball and stick-models) in each of the
succeeding(a) functional groups:
a. Hydroxyl.
b. Aldehyde
c. Ketone
d. Carboxyl
e. Amino
f. Phosphate
g. Sulfhydryl
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