Friday, March 4, 2011

Today, we started out by talking about chosing group leaders. One person a day in each table has to be the leader of the group meaning that they must keep their table group on task. The 3 responsibilities of the leader are:
1) Make sure everyone is engaged and everyone is participating in the discussions.
2)Make sure everyone is on task (members of the group are not wandering around the room, talking about non-science realted topics, making sure that if the group gets off topic that they get back on topic as quickly as possible)
3) Make sure things get done on time.
If the requirements are not met, the leader will lose their 5 participation points.

Next, we continued going over the questions that we did on 78 and 85 in the science book on March 1st.
4) Q:How does DNA compact before a eukaryotic cell divides?
A:The DNA is wrapped up around proteins in chromosomes.
5) Q:Why do injuries to the skin generally heal faster than injuries to the brain?
A:Because the skin cells have a shorter life cycle. It has more layers underneath that are available in case you lose cells when you get hurt and need more right away.
7)Q: What are the 2 main parts of the cell cycle?
A:The 2 main parts are interphase and mitosis.
9) Describe the steps of mitosis.
1) Prophase- chromosomes condense
2) Metaphase
3) Anaphase- chromosomes seperate
4) Telophase- 2 nucli are formed

Then, we started our lab. For our lab, we are using microscopes to look for tips of onion roots and then we answered questions on the worksheet we got.

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