BIOL 1003 Lecture Notes - Lecture 3: Rotenone, Passive Transport, Facilitated Diffusion

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amethystarmadillo27

14 Sep 2016

School

University of Oklahoma

Department

BIOL

Course

BIOL 1003

Professor

Tarren Shaw

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Zoo 9/13

Semi permeable membrane

• Aqua porines (protein) allows water to distribute equally

• Hypertonic , water moving out , more solute on the outside also means there's less water

moving from higher concentration to a lower concentration/more solute less water in solution,

more than what's in the cell

• Hypotonic – less solute more water in solution , less than what's in the cell

• Non polar can disuse across the membrane – passive transport , high to low , no transport

protein at all , cross thought the membrane back and fourth from high to low concentration

• Facilitated diffusion – water moves through etc. High to low concentration , ion transport ,

protein involved

• High to low concentration until they become equal

Active transport

• Protein pump moves something from a low concentration to a high concentration (trans protein

and ATP) uses it to move ions/ across the gradient from low to high concentration

• ATP-3 phosphates – high energy form

• ADP – 2 phosphates

• ADP can go to AMP

Conditions in the Amazon

• Rotenone

• Effect on animals , but insects and fish?

• Where in the fish is oxygen used and what is it used for? ;

Cell structure

Mitochondria – double membrane , highly folded inner membrane,

• Matrix – inside the membrane

• Enzymes – molecules breaking apart or formed

• Oxygen turned into water in the mitochondria

• Allow oxygen to turn into water- 2 hydrogen ions and 2 electrons at the site

• Where are electrons coming from ?

• Every time electrons go to and enzyme hydrogens go to

• High concentration of electrons in the inner membrane

• Electron passed through , some energy is used & hydrogens moved

• If no oxygen is present , electrons no final electron accepter , electrons will stopped bc they’ll

have no where to go

• If not moving the hydrogen will move down the gradiant at ATP synthase

•

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Related Questions

A hypertonic solution has a higher level of solutes so the water moves out of the cells to the surroundings

A hypotonic solution has a higher level of solutes so the water moves out of the cells to the surroundings

The salt and water solution in the potato is a hypotonic solution

Osmosis is the movement of large molecules across a membrane which require embedded proteins

The plain water in this experiment is the solvent and the salt is the solute.

Passive transport requires no energy and the molecules move with the concentration gradient or from high concentration to low concentration

Active transport required no energy and the molecules move with the concentration gradient or from high concentration to low concentration.

The water on the inside of the potato with the salt molecules is an isotonic solution the same as the solution on the outside of the potato.

Water will not move by simple diffusion (osmosis) into or out of cells it requires energy or protein transporters

The solution of salt water in the potato has a lower concentration of water molecules so the water on the outside should move into the cells

1,Match the descriptions to the type of transport.

- A. B. C.	Water enters a cell because it is hypertonic compared to the extracellular environment, increasing its turgor pressure
- A. B. C.	Water enters guard cells because the guard cells are hypertonic compared to the surrounding cells
- A. B. C.	Potassium ions are pumped into guard cells
- A. B. C.	The motor cells of a Venus fly trap are hypotonic compared to surrounding cells, causing water to leave the motor cells
- A. B. C.	Sugar is loaded into the phloem

A.	Both active and passive transport
B.	Passive Transport
C.	Active transport

2,Describe what is wrong with the following statement and explain why:

All prokaryotic and eukaryotic cells contain plasma membrane, nucleus, ribosomes, organelles, cytoplasm, and cell walls.

What is short-distance transport?

	a,	The movement of solutes from a region of low concentration to a region of high concentration
		b,The movement of water, nutrients, and other substances between cells
c,		The movement of substances from a region of high concentration to a region of low concentration
d,		The movement of water across a semipermeable membrane from a region of low solute concentration to a region of high solute concentration.

What terms describe the movement of water across a semipermeable membrane from a region of high water concentration towards a region of low water concentration (and high solute concentration.)

What is found in the proptoplasm?

Cell wall, cytoplasm, plasma membrane, nucleus, and other cell organelles

Plasmodesmata, cell wall, and plasma membrane

Cell wall, cytoplasm, and plasma membrane

Cytoplasm, nucleus, and other cell organelles

The channels that allow nutrients and protoplasm to pass between plant cells are called _________________.

What happens when a plant cell is placed in a hypotonic solution?

Water will enter the plant cell and the plasma membrane will swell and cell lysis will occur

Water will leave the plant cell and the plasma membrane will pull away from the cell and plasmolysis will occur

Water will enter the plant cell and the plasma membrane will swell and push against the cell wall

Water will leave the plant cell and the plant cell will lose turgor pressure, causing the plant to wilt

________________ transport uses cellular energy.

What molecules make plasma cell membranes hydrophilic on the outside and hydrophobic on the inside?

What type of cells do plants have?

		Bacterial
		Archaeic
		Eukaryotic
		Prokaryotic

Match each term

1.facilitated diffusion 2. Hypertonic solution
3. Hypotonic solution
4. Active Transport
5. Secondary acive transport
6. Simple Diffusion

A.	The transport of a nonpolar molar across a biological membrane from the compartment with a high concentration to one with low concentration.
B.	A process that utilizes energy to move compounds against a concentration gradient, i.e., from the compartment with lower concentration to one with a higher concentration.
C.	a solution that would cause blood cells to swell and burst
D.	a solution that would cause red blood cells to shrink
E.	The transport of a hydrophilic molecule across a biological membrane using an ion gradient created by an electrogenic pump.
F.	A process by which compounds are transported from a region of high concentration to one of lower concentration using membrane proteins as transporters.

BIOL 1003 Lecture Notes - Lecture 3: Rotenone, Passive Transport, Facilitated Diffusion

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