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EQ:  What is osmosis and how does it affect plants?

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EQ:  What is osmosis and how does it affect plants?

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Facilitated Diffusion

Tonicity and Osmoregulation

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www.albert.io/classes

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EQ:  What is the difference between diffusion and osmosis?

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EQ:  What is the difference between diffusion and osmosis?

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EQ:  How mouse cells are used in research?

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EQ:  How mouse cells are used in research?

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After each AP video, answer the questions in complete sentences in your AP Biology Notebook.  Please neatly number the questions.  Have them ready to be checked at the beginning of the next class meeting to receive a full credit stamp.  If you do not have a stamp= -2pts per notes.

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Document that you passed your EdPuzzle with 70% or better.  If you did not pass, I reset EdPuzzles in class or after 8pm at night.

We will cover the Water Potential equation next week.

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Go to your digital textbook via Clever. (https://bit.ly/ouhsdclever)

Click on the red flag for Achieve. Click until you open your AP Biology textbook.

Watch the short video animation & answer the 5 questions correctly and document below. To receive credit, all 5 questions must be correct. Do it again if you do not pass the first time. Continue until you have all 5 questions correct.

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Interactive Padlet :  "A Bed Of Mouse Cells Helps Human Cells Thrive In The Lab" 9/30/24

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Interactive Padlet :  "A Bed Of Mouse Cells Helps Human Cells Thrive In The Lab" 9/30/24

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https://padlet.com/nikol_huapaya/ap-biology-a-bed-of-mouse-cells-helps-human-cells-thrive-in--z2950jay17c1pgz1

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https://gz.explorelearning.com/

"As a veterinarian, students help a young calf, named Clark, who is having seizures. To determine the cause, the students fly into Clark's brain to learn about osmosis and apply their learning to save Clark".

Expect this STEM CASE to take 90 minutes to complete.

It is time to save Clark! This will open during class on Thursday.

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Add in your picture of a cell with a small surface to volume ratio vs a cell with a large surface to volume ratio. Type in which cell has an easier time obtaining resources and eliminating wastes and why.

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www.albert.io/classes

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Explain how mouse cells can help scientists in the lab

Copy your post and label it: Exit Ticket.

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Mouse beds can help scientists in the lab because they have the ability to stay alive for long periods of time.

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AP Daily Video 2.8 Tonicity and Osmoregulation

1.  What is osmosis?

2.  Water is a polar molecule, so how do large quantities of
water get across the phospholipid bilayer?

3.  Explain the difference between a solute and a solvent.

4.  The total solute concentration in a solution is called
___________________

5.  What is tonicity?

6.  How are water concentrations and solute concentrations
related to each other?

7.  Water diffuses from a _________________ environment into a
______________________ environment.

8.  Explain how water moves in a dynamic equilibrium.

9.  In plant cells, environmental hypertonicity results in
____________________, which results in water
_____________________  the cell.

10.  In plant cells, environmental hypotonicity results in
_____________________, which results in water
____________________  the cell.

11.  Explain why a plant cell does not lyse/explode when in
environmental hypotonicity.

12.  In animal cells, environmental hypertonicity results in a
cell that is _____________.

13.  In animal cells, environmental hypotonicity results in a
cell that is _____________

14.  How does a paramecium avoid lysis in a hypotonic
environment?

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AP Classroom Video 2.7- Facilitated Diffusion

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AP Classroom Video 2.7- Facilitated Diffusion

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AP Daily Video 2.7 Questions
(Answer in your AP Biology notebook.  Answers will not be accepted if they are typed in.)

1. Large quantities of water can pass through special membrane proteins called ______________

2. Active transport uses carrier proteins called _______________ and help establish and maintain ___________________ ______________________

1. __________________  uses the energy from an electrochemical gradient to transport two different ions across the cell membrane.  If the two ions are transported in the same direction, it is called _______________, if the two ions are transported in opposite directions, it is called __________________

1. The movement of ions across the cell membrane may result in the creation of an ______________________________  gradient. This gradient results in a membrane potential or voltage across the membrane.

1. The sodium-potassium pump uses ATP to pump three ____________ ions out of the cell for every two __________________ ions it pumps into the cell.  This creates a __________________  ___________________.

1. If ADH secretion is inhibited, what would be the result?

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Explain OSMOSIS and how it effects plants.

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Osmosis is the diffusion of water through a selectively permeable membrane. It affects plants in a positive way because, the water travels through the root hairs of a plant, and causes the plant cells to swell. However, this is an optimum state for plants because when cells are swollen and pressure is applied to the cell walls, on the outside visually the plant is up right and thriving.

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AP Daily Video Questions:

1.  What are the components of an effective graph
mentioned in the video?

2.  Describe the most common use for each of the following
types of graphs:
- Line graph
- Scatterplot
- Histogram
- Bar graph
- Box and whisker plot
- Dual Y

3.  What types of graphs are used in the practice problems
in this video?

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Add in a gif of ADP changing into ATP or the reverse.  If you cannot find a gif, use labeled images.

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Add in a gif of ADP changing into ATP or the reverse.  If you cannot find a gif, use labeled images.

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AP Daily Video Questions
1.  What does water potential measure?

2.  What are the two components of water potential?

3.  Water moves from areas of ___________ water potential to areas of ________ water potential.

4.  The value of water potential can be _______, _________, or __________.

5.  What is the water potential of pure water?

6.  How does increasing the amount of solute affect water potential?

7.  What does an ionization constant tell you?

8.  What is C?

9.  In water potential calculations, what units (Fahrenheit, Celsius or Kelvin) must be used for temperature?

10.  What is the water potential of a 0.5 M sucrose solution at 21 degrees Celsius in an open system?

11.  What is the pressure potential in an open system?

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The heaviest pumpkin recorded in the world weighs 2,749 pounds, and was grown in Minnesota, U.S.

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Which dish is made of minced raw fish, typically marinated in citrus juice, and is popular in Latin America?

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Which dish is made of minced raw fish, typically marinated in citrus juice, and is popular in Latin America?

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Ceviche