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Day 1 Biology February 1, 2012, Wednesday · 11 water moves inside the cell same amount of water...

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1 Day 1 Biology February 1, 2012, Wednesday 1. Introductions 2. Organism of the Day: Sea Cucumber (animal) 3. Seating arrangement/Lab group preferences. 4. Spring Course Syllabus 5. Intro to New Website: 6. Notes: Cell Membrane

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Page 1: Day 1 Biology February 1, 2012, Wednesday · 11 water moves inside the cell same amount of water moves inside as goes outside water moves outside the cell ... H20 Flaccid Hypertonic

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Day 1 BiologyFebruary 1, 2012, Wednesday

1. Introductions2. Organism of the Day: Sea Cucumber (animal) 3. Seating arrangement/Lab group preferences.4. Spring Course Syllabus5. Intro to New Website: 6. Notes: Cell Membrane

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This undated photo released by Census of Marine Life and the Woods Hole Oceanographic Institution shows a transparent sea cucumber, Enypniastes, creeping forward on its many tentacles at about 2 cm per minute while sweeping detritusrich sediment into its mouth at 2,750 meters in the Northern Gulf of Mexico. Thousands of marine species eke out an existence in the ocean's pitchblack depths by feeding on the snowlike decaying matter that cascades down, and even sunken whale bones.

Sea Cucumber

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. They act as markers.

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Isotonic

Isotonic

Area of greater concentration to an area of lower concentration

Diffusion

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• There is a concentrationgradient.

(Random Movement)

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build up

• Ion build up is important for nerve firing and muscle contractions.

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water moves inside the cell same amount of water moves inside as goes outside

water moves outside the cell

Tonicity

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LAB

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are transporters

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& Exocytosis

Exocytosis is the process of taking material out of a cell

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Homework Due Monday

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