BIOL1111L-                                                               Review Sheet-Lab Practical I (1-5)

 

Lab 1 – Scientific Method

  1. Read over protocol and look over report sheet.
  2. Check answers on the lab report sheet.
  3. Look over the lab review page on the website.
  4. Make sure you able to define the steps involved in the scientific method.
  5. What is a hypothesis statement?  Can we prove a hypothesis to be true?
  6. What does a proper experimental design contain?
  7. What is the difference between the independent and dependent variable?  Be able to pick out these variables in a statement.
  8. What are control variables?  What are replicated?

Lab 2 –Laboratory Measurements

1.      Do 1-3 from above

2.      Know the standard metric units of measurement.  Mass, length, volume, temp.

3.      Convert a number a scientific notation.   Ex.  500000  is what?     

4.      Rules for multiplying or subtracting numbers with exponents.

5.      Know what prefixes for:  nano, micro, milli, kilo

6.      Know basic conversions:  1 gram is how many kilograms, how many milligram?

7.      Convert Fahrenheit to Celcius:  98F is what is Celcius?    

8.      Know how to properly present a graph.  What variable goes on the x/ y axis?

9.      Distinguish when to use a line graph versus a bar graph.

10.  What are continuous and discrete variables?  Hint:  range vs specific values

11.   Look over graph interpretation.

Lab 3 – Biological Chemistry

1.      Know the 4 basic organic molecules found in cells.

2.      Define polymers, monomers.  Monomers of each group

3.      Know the test for carbohydrates.  Mono/Disaccharides vs Polysaccharides.

4.      Know the test for proteins.  What type of bond holds proteins together?

5.      Know the test for lipids.  Are they insoluble in water?  Define nonpolar?

6.      What are lipids composed of?

Lab 4 – Microscopes

1.      Know the difference between compound and dissecting microscopes.  What objectives do they have?  What is each used for?

2.      Be able to identify the major parts of a compound microscope.

3.      What objective is used as the scanning power?

4.      How do you calculate total magnification?

5.      Why does the e disappear the higher magnification?

6.      Which microscope are you able to see a three-dimensional view?

7.      What is the difference between reflected and transmitted light?

8.      Be able to identify the following cells types:  cheek cells, plant cells (elodea, spirogyra).  Can you see anything inside these cells?

9.      Be able to identify the specimens that you looked at in class.

 

Lab 5-Osmosis and Membrane Transport

  1. Read over protocol and look over report sheet.
  2. Look over the lab review page on the website.
  3. Make sure you are able to define all the bold face terms.
  4. Be able to describe the factors ( size) that affect diffusion in agar.
  5. Describe diffusion through an artificial membrane.  What does semi-permeable mean?
  6. Define osmosis, hypertonic, hypotonic, and isotonic in relationship to a red blood cell (0.9%).
  7. What happens to a cell placed in an hypotonic vs  hypertonic solution?  What does crenated mean?