Category: First Fives

First Fives are warm-ups

First Five October 23

Explain how a thermostat is a negative feedback loop and how it maintains homeostasis. Describe the negative feedback loops  that helps you stay cool when you run the mile in PE.

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First Five October 19/20

Explain how your body maintains a constant body temperature. How would your life be different if you were a conformer and not a regulator?

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First Five October 17/18

What process is shown below?  Explain why some materials can move from  one side  to the other. Describe a cell that is in an isotonic environment?

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First Five October 16

Osmosis is a form of passive transport.   The other process is referred to as active transport because it requires the cell to expend what form of chemical energy? Plants control gas exchange as well as water loss (osmoregulation) through their stomates.  Describe

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First Five October 16

 What are some important materials that might have to move across the cell membrane (both in and out) in cells? Plants control gas exchange as well as water loss (osmoregulation) through their stomates.  Describe how the stomates shown below accomplish this

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First Fives October 12/13

You are stranded on a desert island, with nothing but a cell phone.  You know that help will arrive within a couple of days, but you are dehydrated and need to quench your thirst.  You are surrounded by the ocean

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First Five Biology October 10/11

What are A and B in the diagram to the right? Which type of transport are  I, II, and III representing in the  diagram below?

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First Five October 9

If an egg was placed in an isotonic solution, which way would the water move? The membrane of a cell is mainly made of what two components? How is passive transport different from active transport?

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First Five Oct 3/4

Why do your hands become plump and wrinkly in fresh water? What controls what enters and exits a cell?

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First Five October 2

 Why are enzymes sensitive to pH (acid/base) and temperature in regards to enzyme function? How did you prepare yourself to do well on this unit test? (unit study guide, look over first fives and benchmark study guides, online practice review,

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