K101 Lab Exam I Objectives and Sample Questions
TAs – I will post this for students on
the Friday before the exam, but this might be useful for you as you teach each of these
LAB EXAM 1 –
The lab exam will be worth 80 points (40 multiple choice questions), and will cover material
from our first 5 lab exercises, through
Lab Exercise 5, Enzymes
See below for specific lab
The questions will be
than those in the pre-lab quizzes, and may require you
to do an unknown determination, given a chart with information about particular tests.
Since LAB and LECTURE
go hand in hand, you WILL be required to answer questions
about lab material that relates to knowledge you have already learned in lecture.
Do not be
surprised to find a diagram
of a macromolecule from lecture (i.e.:
a protein) and be asked
whether it will react with Biuret reagent, for example.
Knowledge IS cumulative
From Lab Exercise 1: Microscopy
1. After completing this lab, you should be able to define these terms: magnification, resolution,
parfocal, ocular, objective.
2. On a diagram of a microscope, be able to identify (and use) the oculars, objectives, iris
diaphragm, condenser, coarse and fine adjustment knob
3. Correctly focus a specimen on a light microscope and a dissecting microscope.
From Lab Exercise 2: Measurement
Measurement Lab Objectives
: After this lab, you should:
Be familiar with the use of the graduated cylinder and the microbalance
Know how to use the P1000, P200 and P20 Pipetteman, including setting the dial to an
accurate volume and choosing the correct Pipetteman to dispense the desired volume.
Know how to make metric conversions (ie:
g to mg, L to mL), using proper scientific
notation and correct units.
From Lab Exercise 3: Macromolecules