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The Neuron REVIEW GAME. See also the NOTES documents posted online at our wikispace , the online self-quizzes posted at our wikispace , and all assignments and materials related to cell structure (Cells Alive!!! Assignment!!!), and to diffusion and osmosis (LABS!!!).

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The NeuronREVIEW GAME

See also the NOTES documents posted online at our wikispace, the online self-quizzes posted at our wikispace,and all assignments and materials related to cell structure (Cells Alive!!! Assignment!!!), and to diffusion and osmosis (LABS!!!)


Identify each of the labeled structures of the neuron below a b c d e f g

Identify each of the labeled structures of the neuron below.

A.

B.

C.

D.

E.

F.

G.


Identify each of the labeled structures of the neuron below.

A. dendrites

B. nucleus

C. cell body

D. axon

E. axon endings

F. nodes of Ranvier

G. Schwann cells/myelin sheath


Fill in the blanks in the sentences below with the NAME of the STRUCTURE of a NEURON that provides the described FUNCTION.

The ___________ of a neuron contains the DNA and is the “control center” of the cell.

The ___________ of a neuron contains the nucleus and most of the cellular organelles.


Fill in the blanks in the sentences below with the NAME of the STRUCTURE of a NEURON that provides the described FUNCTION.

The nucleusof a neuron contains the DNA and is the “control center” of the cell.

The cell body of a neuron contains the nucleus and most of the cellular organelles.


Fill in the blanks in the sentence below with the NAME of the STRUCTURE of a NEURON that provides the described FUNCTION.

Signals “come in” to the neuron through the ________, and travel “out” of the neuron along the ________, at the end of which the __________ contact the next neuron in the communication chain.


Fill in the blanks in the sentence below with the NAME of the STRUCTURE of a NEURON that provides the described FUNCTION.

Signals “come in” to the neuron through the dendrites, and travel “out” of the neuron along the axon, at the end of which the axon endings contact the next neuron in the communication chain.


Which of the following do not have a cell wall plant cells bacterial cells fungi animal cells

Which of the following do NOT have a cell wall?  the STRUCTURE of a NEURON that provides the described FUNCTION.

plant cells

bacterial cells

Fungi

animal cells


Which of the following do not have a cell wall plant cells bacterial cells fungi animal cells1

Which of the following do NOT have a cell wall?  the STRUCTURE of a NEURON that provides the described FUNCTION.

plant cells

bacterial cells

Fungi

animal cells


The plasma membrane is composed of the STRUCTURE of a NEURON that provides the described FUNCTION.

 a single layer of proteins

a phospholipid bi-layer

a carbohydrate bi-layer

a single layer of lipids


The plasma membrane is composed of the STRUCTURE of a NEURON that provides the described FUNCTION.

 a single layer of proteins

a phospholipid bi-layer

a carbohydrate bi-layer

a single layer of lipids


This organelle stores the dna in a eukaryotic cell nucleus ribosome vacuole cytoplasm

This organelle stores the DNA in a eukaryotic cell. the STRUCTURE of a NEURON that provides the described FUNCTION.

Nucleus

Ribosome

Vacuole

Cytoplasm


This organelle stores the dna in a eukaryotic cell nucleus ribosome vacuole cytoplasm1

This organelle stores the DNA in a eukaryotic cell. the STRUCTURE of a NEURON that provides the described FUNCTION.

Nucleus

Ribosome

Vacuole

Cytoplasm


Which of the following is the energy supplier in eukaryotic cells; this organelle contains its own DNA

Lysosome

Mitochondria

Golgi apparatus

endoplasmic reticulum

ribosome


Which of the following is the energy supplier in eukaryotic cells; this organelle contains its own DNA

Lysosome

Mitochondria

Golgi apparatus

endoplasmic reticulum

ribosome


This organelle is found in animal cells and is used in cell division; the spindle fibers attach to it. 

vacuole

chloroplast

nucleus

ribosome

centriole


This organelle is found in animal cells and is used in cell division; the spindle fibers attach to it. 

vacuole

chloroplast

nucleus

ribosome

centriole


Which of the following is an enzyme filled organelle for breaking down waste in the cell?

Lysosome

Chloroplast

Mitochondria

Golgi body


Which of the following is an enzyme filled organelle for breaking down waste in the cell?

Lysosome

Chloroplast

Mitochondria

Golgi body


The major job of the ribosome is to make fats make proteins break down proteins make sugars

The major job of the ribosome is to  breaking down waste in the cell?

make fats

make proteins

break down proteins

make sugars


The major job of the ribosome is to make fats make proteins break down proteins make sugars1

The major job of the ribosome is to  breaking down waste in the cell?

make fats

make proteins

break down proteins

make sugars


What is a semi-permeable membrane? breaking down waste in the cell?

 A membrane that allows all molecules to pass through.

A membrane that is different on each side.

A membrane that allows some molecules to pass through but not others.

A membrane that doesn't allow any molecules to pass through.


What is a semi-permeable membrane? breaking down waste in the cell?

 A membrane that allows all molecules to pass through.

A membrane that is different on each side.

A membrane that allows some molecules to pass through but not others.

A membrane that doesn't allow any molecules to pass through.


The STRUCTURE of the plasma membrane is best described as  breaking down waste in the cell?

a single lipid layer

an impenetrable barrier.

a rigid, strong layer protecting the cell

a lipid bi-layer.


The STRUCTURE of the plasma membrane is best described as  breaking down waste in the cell?

a single lipid layer

an impenetrable barrier.

a rigid, strong layer protecting the cell

a lipid bi-layer.


The plasma membrane is referred to as a “fluid mosaic” because it is made up of

a) phospholipids and cellulose

b) nucleic acids and proteins

c) phospholipids and proteins

d) proteins and cellulose


The plasma membrane is referred to as a “fluid mosaic” because it is made up of

a) phospholipids and cellulose

b) nucleic acids and proteins

c) phospholipids and proteins

d) proteins and cellulose


Plasma membranes are “selectively permeable”. This statement means that

a) No substances can enter or exit the cell through the plasma membrane.

b) The plasma membrane allows some substances to enter or exit a cell more easily than others.

c) All substances are able to enter or exit the cell through the plasma membrane.

d) It is random chance whether a molecule can or cannot enter or exit the cell through the plasma membrane.


Plasma membranes are “selectively permeable”. This statement means that

a) No substances can enter or exit the cell through the plasma membrane.

b) The plasma membrane allows some substances to enter or exit a cell more easily than others.

c) All substances are able to enter or exit the cell through the plasma membrane.

d) It is random chance whether a molecule can or cannot enter or exit the cell through the plasma membrane.


Which of the following will pass through a cell membrane most easily?

small polar molecules

small non-polar molecules

large polar molecules

large non-polar molecules

large neutral molecules


Which of the following will pass through a cell membrane most easily?

small polar molecules

small non-polar molecules

large polar molecules

large non-polar molecules

large neutral molecules


For each of following molecules, indicate whether it most easily?CAN or CANNOTpass through the phospholipid bilayer of the plasma membrane by simple diffusion.

Then, for EACH molecule EXPLAIN WHY it can or cannot pass through based upon the SIZE and CHARGE characteristics of the molecule.

CO2:

O2:

H2O:

C6H12O6:

K+ :

Na+ :

Ca2+:


For each of following molecules, indicate whether it most easily?CAN or CANNOT pass through the phospholipid bilayer of the plasma membrane by simple diffusion.

Then, for EACH molecule EXPLAIN WHY it can or cannot pass through based upon the SIZE and CHARGE characteristics of the molecule.

CO2: YES! It CAN! It’s both SMALLand NONPOLAR (hydrophobic)!

O2: YES! It CAN! It’s both SMALLand NONPOLAR (hydrophobic)!

H2O: WATER!!! NO! It CANNOT! Yes, it’s SMALL, but it is POLAR (hydrophilic)!

C6H12O6: GLUCOSE!!! NO! It CANNOT! It’s both LARGE and POLAR (hydrophilic)!

K+: NO! It CANNOT! Yes, it’s SMALL, but it is an ION with a CHARGE (hydrophilic)!

Na+: NO! It CANNOT! Yes, it’s SMALL, but it is an ION with a CHARGE (hydrophilic)!

Ca2+: NO! It CANNOT! Yes, it’s SMALL, but it is an ION with a CHARGE (hydrophilic)!


Simple diffusion is defined as the movement of most easily?

molecules from areas of higher concentration to areas of lower concentration.

molecules from areas of lower concentration to areas of higher concentration.

water molecules across a membrane.

gas molecules across a membrane.

gas or water molecules across a membrane.


Simple diffusion is defined as the movement of most easily?

molecules from areas of higher concentration to areas of lower concentration.

molecules from areas of lower concentration to areas of higher concentration.

water molecules across a membrane.

gas molecules across a membrane.

gas or water molecules across a membrane.


The rate of diffusion is affected by which of the following? most easily?

Temperature

Size of molecules

Steepness of the concentration gradient

A, B and C


The rate of diffusion is affected by which of the following? most easily?

Temperature

Size of molecules

Steepness of the concentration gradient

A, B and C


When the process of diffusion reaches an equilibrium state: most easily?

the movement of all molecules stops completely

molecules continue to move but in equal parts

a hypertonic solution is formed

none of the above


When the process of diffusion reaches an equilibrium state: most easily?

the movement of all molecules stops completely

molecules continue to move but in equal parts

a hypertonic solution is formed

none of the above


Which of the following statements regarding simple diffusion is TRUE?

a) Simple diffusion uses ATP as an energy source.

b) Simple diffusion can move a solute against its concentration gradient.

c) Simple diffusion is driven by the potential energy represented by a concentration gradient.

d) None of the above


Which of the following statements regarding simple diffusion is TRUE?

a) Simple diffusion uses ATP as an energy source.

b) Simple diffusion can move a solute against its concentration gradient.

c) Simple diffusion is driven by the potential energy represented by a concentration gradient.

d) None of the above


Which of the following statements regarding active transport is TRUE?

a) Active transport uses ATP as an energy source.

b) Active transport can move a solute against its concentration gradient.

c) Active transport requires the cell to expend energy.

d) All of the above


Which of the following statements regarding active transport is TRUE?

a) Active transport uses ATP as an energy source.

b) Active transport can move a solute against its concentration gradient.

c) Active transport requires the cell to expend energy.

d) All of the above


Which of the following statements regarding diffusion is is FALSE?

a) Diffusion is a result of the thermal energy of atoms and molecules.

b) Diffusion requires no input of energy into the system.

c) Diffusion occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated.

d) Diffusion occurs even after equilibrium is reached and no net change is apparent.


Which of the following statements regarding diffusion is is FALSE?

a) Diffusion is a result of the thermal energy of atoms and molecules.

b) Diffusion requires no input of energy into the system.

c) Diffusion occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated.

d) Diffusion occurs even after equilibrium is reached and no net change is apparent.

Statement c above is FALSE: In reality diffusion occurs when particles spread from areas where they are MORE concentrated to areas where they are LESS concentrated, in other words from HIGH to LOW concentration.


The only DIFFERENCE between simple diffusion and facilitated diffusion is 

facilitated diffusion requires energy

facilitated diffusion uses protein channels to move substances in or out of the cell

simple diffusion requires energy

facilitated diffusion moves substances from an area of low concentration to an area of high concentration.


The only DIFFERENCE between simple diffusion and facilitated diffusion is 

facilitated diffusion requires energy

facilitated diffusion uses protein channels to move substances in or out of the cell

simple diffusion requires energy

facilitated diffusion moves substances from an area of low concentration to an area of high concentration.


Facilitated diffusion occurs diffusion is 

into the cell only.

out of the cell only.

in either direction depending on the temperature.

in either direction depending on the concentration gradient of the molecule.

in either direction depending on the size of the molecule.


Facilitated diffusion occurs diffusion is 

into the cell only.

out of the cell only.

in either direction depending on the temperature.

in either direction depending on the concentration gradient of the molecule.

in either direction depending on the size of the molecule.


Exocytosis diffusion is  is a process by which cells

release substances from the cell through pores in the cell membrane.

release substances from the cell via vesicles.

release substances from the cell via carrier proteins.

bring in substances from the outside via vesicles.

bring in substances from the outside via pores in the cell membrane.


Exocytosis diffusion is  is a process by which cells

release substances from the cell through pores in the cell membrane.

release substances from the cell via vesicles.

release substances from the cell via carrier proteins.

bring in substances from the outside via vesicles.

bring in substances from the outside via pores in the cell membrane.


Certain white blood cells engulf microorganisms and bring them in to digest them. This process is best described as

Pinocytosis.

Osmosis.

Receptor-mediated exocytosis.

Phagocytosis.

Diffusion.


Certain white blood cells engulf microorganisms and bring them in to digest them. This process is best described as

Pinocytosis.

Osmosis.

Receptor-mediated exocytosis.

Phagocytosis.

Diffusion.


Cells occasionally need to take in or “drink” large amounts of water, which term best describe the process by which cells “DRINK” or take in vesicles of water?

Pinocytosis.

Receptor-mediated endocytosis.

Phagocytosis.

Diffusion.


Cells occasionally need to take in or “drink” large amounts of water, which term best describe the process by which cells “DRINK” or take in vesicles of water?

Pinocytosis.

Receptor-mediated endocytosis.

Phagocytosis.

Diffusion.


When a cell needs to get rid of waste products and push them OUT OF THE CELL, which term best describe the process by which cells release substances from the cell?

Pinocytosis

Endocytosis

Phagocytosis

Exocytosis


When a cell needs to get rid of waste products and push them OUT OF THE CELL, which term best describe the process by which cells release substances from the cell?

Pinocytosis

Endocytosis

Phagocytosis

Exocytosis


Which method of transport moves substances in or out of the cell that REQUIRES ENERGY? 

Diffusion

Osmosis

Facilitated diffusion

Active transport


Which method of transport moves substances in or out of the cell that REQUIRES ENERGY? 

Diffusion

Osmosis

Facilitated diffusion

Active transport


Facilitated diffusion is used to transport h 2 o and o 2 o 2 and co 2 co 2 and h 2 o ions and h 2 o

Facilitated diffusion is used to transport cell that REQUIRES ENERGY? 

H2O and O2

O2 and CO2

CO2 and H2O

Ions and H2O


Facilitated diffusion is used to transport h 2 o and o 2 o 2 and co 2 co 2 and h 2 o ions and h 2 o1

Facilitated diffusion is used to transport cell that REQUIRES ENERGY? 

H2O and O2

O2 and CO2

CO2 and H2O

Ions and H2O


Osmosis is best defined as the movement of cell that REQUIRES ENERGY? 

solute molecules across a membrane from an area of high solute concentration to an area of lower solute concentration

solute molecules across a membrane from an area of low solute concentration to an area of higher solute concentration

water molecules across a membrane from an area of low water concentration to an area of higher water concentration

water molecules across a membrane from an area of high water concentration to an area of lower water concentration


Osmosis is best defined as the movement of cell that REQUIRES ENERGY? 

solute molecules across a membrane from an area of high solute concentration to an area of lower solute concentration

solute molecules across a membrane from an area of low solute concentration to an area of higher solute concentration

water molecules across a membrane from an area of low water concentration to an area of higher water concentration

water molecules across a membrane from an area of high water concentration to an area of lower water concentration


A solution in which the solute concentration outside a cell is LOWER cell than the solute concentration inside the cell is called a

hypotonic solution

hypertonic solution

isotonic solution

cytotonicsolution


A solution in which the solute concentration outside a cell is LOWER cell than the solute concentration inside the cell is called a

hypotonic solution

hypertonic solution

isotonic solution

cytotonicsolution


A solution in which the solute concentration outside the cell is HIGHER than the solute concentration inside the cell is called 

an isotonic solution

a hypertonic solution

a hypotonic solution

a cytotonicsolution


A solution in which the solute concentration outside the cell is HIGHER than the solute concentration inside the cell is called 

an isotonic solution

a hypertonic solution

a hypotonic solution

a cytotonicsolution


A cell in a hypertonic solution cell is HIGHER than the solute concentration inside the cell is called 

loses water and shrinks

gains water and expands

gains and loses the same amount of water, staying the same shape

none of the above


A cell in a hypertonic solution cell is HIGHER than the solute concentration inside the cell is called 

loses water and shrinks

gains water and expands

gains and loses the same amount of water, staying the same shape

none of the above


A red blood cell placed in an isotonic medium will expand burst shrink have no change in shape

A red blood cell placed in an isotonic medium will cell is HIGHER than the solute concentration inside the cell is called 

Expand.

Burst.

Shrink.

Have no change in shape.


A red blood cell placed in an isotonic medium will expand burst shrink have no change in shape1

A red blood cell placed in an isotonic medium will cell is HIGHER than the solute concentration inside the cell is called 

Expand.

Burst.

Shrink.

Have no change in shape.


A cell in a hypotonic solution cell is HIGHER than the solute concentration inside the cell is called 

loses water and shrinks

gains water and expands

gains and loses the same amount of water, staying the same shape

none of the above


A cell in a hypotonic solution cell is HIGHER than the solute concentration inside the cell is called 

loses water and shrinks

gains water and expands

gains and loses the same amount of water, staying the same shape

none of the above


After eating a salty snack like potato chips, the cells in your mouth become saturated with salt. What happens to the cells in your mouth as they react to the ELEVATED salt environment? 

water moves into the cells causing them to burst

salt moves into the cells causing them to burst

salt moves out of the cells causing them to shrink

water moves out of the cells causing them to shrink.


After eating a salty snack like potato chips, the cells in your mouth become saturated with salt. What happens to the cells in your mouth as they react to the ELEVATED salt environment? 

water moves into the cells causing them to burst

salt moves into the cells causing them to burst

salt moves out of the cells causing them to shrink

water moves out of the cells causing them to shrink.


When a plant cell is placed in a salt water solution, the cell is affected and changes size. What part of the cell will be UNAFFECTED? 

The cytoplasm

The cell membrane

The cell wall

The vacuole


When a plant cell is placed in a salt water solution, the cell is affected and changes size. What part of the cell will be UNAFFECTED? 

The cytoplasm

The cell membrane

The cell wall

The vacuole


The diagram to the right represents a plant cell in cell is affected and changes size. What part of the cell will be UNAFFECTED? distilled water as seen with a compound light microscope.

Which diagram below best represents the appearance of that cell after it has been placed in a 15% salt solutionfor two minutes?

A. 1

B. 2

C. 3

D. 4


The diagram to the right represents a plant cell in cell is affected and changes size. What part of the cell will be UNAFFECTED? distilled water as seen with a compound light microscope.

Which diagram below best represents the appearance of that cell after it has been placed in a 15% salt solutionfor two minutes? This is a high salt concentration solution,therefore a hypertonic solution. Water will move OUT of the cell, causing it to shrink within its plasma membrane, but the cell wall (a rigid structure) will maintain it’s shape, a situation shown in (3) below.

A. 1

B. 2

C. 3

D. 4


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