Monday, September 23, 2013

Wednesday, September 18, 2013

Monday, June 3, 2013

Biotech poster

1. Define what the technology does (how it works, why is it important)
2. Diagram how the technology works (key terms and equipment must be labeled)

  • Drawing required
  • Step by step description required
3. Explanation of how this technology is used in:

  • Medicine
  • Food production
  • Criminal investigation
  • Any other field which relates to our daily lives

Tuesday, May 14, 2013

Meiosis review questions


1.     Explain how meiosis differs from mitosis.
2.     Why meiosis is called reduction division? What is being reduced? What is being divided?
3.     A) What is synapsis? B) Draw a tetrad. C) Draw a crossing over using different colors. D) during what stage synapsis occur?
4.     Why from an evolutionary perspective synapsis make sense?
5.     Explain the advantage of meiosis during sexual reproduction over mitosis during asexual reproduction from an evolutionary perspective.
6.     Why is important that sex cells are haploid? Explain why the accuracy of meiosis play a major role in the survival of a child and give an example of what happens when there is a mistake in meiosis? Use a human life cycle as an example.
7.     Diagram and label what is happening at each stage of meiosis. Use 4 homologue pairs.

Friday, April 5, 2013

Fermentation lab Important information



Budding yeast cells

(look on the right hand side of the picture 2/3rds of the way up)




5 and 6.  The bottle with the yeast had an strong odor of alcohol.

7. You can use the data from questions 5 and 6 as well as the lab data to answer this question.

8. Read the statement in the question

9. The bottle with the yeast showed a yellow result

10. Use the answers from questions 8 and 9 to complete this question.


Monday, April 1, 2013

Leaf Lab images



Underside of leaf


Cross section of leaf