KEY Cell Membrane.pdf
Apr 19 2016 Cell Membrane Coloring Worksheet. Composition of the Cell Membrane & Functions. The cell membrane is also called the membrane and is made of a ...
Cell Membrane Coloring Worksheet
other small molecules to pass through into or out of the cell. SKETCH AND. LABEL a phospholipid coloring the heads red and the tails blue. PHOSPHOLIPID.
ORISE Lesson Plan: The Cell Membrane
Make sure that beaker is motionless when food coloring is added. Have Teacher can use the Powerpoint and complete the worksheet/notebook pages whole.
Cells and Their Organelles
All cells are surrounded by a cell membrane. The cell membrane is Color and label the cell wall brown. The centrosome (also called the "microtubule ...
Bacterial Cell Coloring Page
Bacterium Cell Anatomy Activity Key. 1. Flagellum. 2. Capsule. 3. Cell wall. 4. Cell membrane. 5. Cytosol. 6. Ribosome. 7. Pili. 8. Plasmid. 9. Nucleoid (DNA)
Animal Cell Worksheet
WebAnimal Cell Anatomy Activity Key 1. Centrioles 2. Plasma membrane 3 Plant Cell Anatomy Activity - Coloring Page. Worksheet - Ask … Animal Cell ...
SKELETAL MUSCLE ACTIVITY - Complete the ollowing statements
Then contraction of the muscle cell occurs. 7. Figure 6-4 shows the components of a neuromuscular junction. Identify the parts by coloring the coding circles
Plant Cell Anatomy Activity - Coloring Page - Ask A Biologist
activities/coloring. 5. 12. 9. 16 ... Plant Cell Anatomy Activity Key. 1. Smooth endoplasmic reticulum. 2. Plasmodesmata. 3. Mitochondria. 4. Cell wall. 5. Cell ...
Cell membrane color worksheet
Cell membrane worksheet answers. Each training lesson or lessons is linked to one or more Science Technology
Elements & Macromolecules in Organisms (CLASS ACTIVITY
Color code the amino acid on this worksheet (carbon-black hydrogen-yellow Color the two proteins in the cell membrane blue. 5 сл. Page 6. H. H. C. O. H. H. C.
Cell Membrane & Tonicity Worksheet
NAME__________ ANSWER KEY The cell membrane is also called the PLASMA membrane and is made of a ... __ A ___ Phospholipid bilayer (no color).
Cell Membrane Coloring Worksheet
Some of the membrane proteins have carbohydrate receptors attached to help cells in recognize each other and certain molecules. List functions of the cell or
The cell membrane is also called the plasma
Cell Membrane Coloring Worksheet. Composition of the Cell Membrane & Functions. The cell membrane is also called the plasma membrane and is made of a
Plant Cell
Name: KEY. Color the plant cell drawn below. Use the colors indicated in the box. ribosome chloroplast nucleolus mitochondria nucleus cell membrane.
chloroplast-structure-and-function-worksheet-answers.pdf
membranes separated by callose polymer formed when the and worksheet trivia about cell coloring activity but a chloroplast color see all autotrophs use ...
SKELETAL MUSCLE ACTIVITY - Complete the zollowing statements
Insert the correct answers in the numbered answer blanks. 1. motor unit terminal end mitter is released and it diffuses to the muscle cell membrane.
Cells Study Guide.pdf
PLANT AND ANIMAL CELLS. Organelle. Function. Cell Membrane. A double layer that supports and protects the cell. Allows materials in and out. Lysosome.
Cells and Their Organelles
phospholipids and embedded proteins. Color and label the cell membrane tan. Plant cells have an additional layer surrounding them called the cell wall.
Cell Keys.pdf
Found in cytoplasm or on the endoplasmic reticulum. Both. Location in the cytoplasm bean. Supplies energy or. ATP for the cell. Cell Organelles Worksheet.
NAME__________ ANSWER KEY ___________________
DATE_________________ PERIOD_________
Cell Membrane & Tonicity Worksheet
Composition of the Cell Membrane & Functions
The cell membrane is also called the PLASMA membrane and is made of a phospholipid BI-LAYER. The phospholipids have a hydrophilic (water attracting) HEADS and two hydrophobic (water repelling) TAILS. The head of a phospholipid is made of an alcohol and GLYCEROL group, while the tails are chains of FATTY ACIDS. Phospholipids can move SIDEWAYS and allow water and other NON-POLAR molecules to pass through into or out of the cell. This is known as simple PASSIVE TRANSPORT because it does not require ENERGY and the water or molecules are moving WITH the concentration gradient.SKETCH AND LABEL a
phospholipid coloring the heads red and the tails blue. Another type of lipid in the cell membrane is CHOLESTEROL that makes the membrane more fluid.Embedded in the phospholipid bilayer are PROTEINS that also aid in diffusion and in cell recognition.
Proteins called INTEGRAL proteins go all the way through the bilayer, while PERIPHERAL proteins are only
on one side. Large molecules like PROTEINS or carbohydrates use proteins to help move across cellmembranes. Some of the membrane proteins have carbohydrate PARTS attached to help cells in recognize
each other and certain molecules.List 4 functions of the cell or plasma membrane:
a. CELL SIGNALING b. SELECTIVE TRANSPORT c. EXCRETION OF WASTES d. STRUCTURAL SUPPORT Correctly color code and identify the name for each part of the cell membrane.Letter Name/Color Letter Name/Color
__ A ___ Phospholipid bilayer (no color) __ H ___ Peripheral protein (red) __ B ___ Integral protein (pink) __ I ____ Cholesterol (blue) __ F ___ Fatty acid tails (orange) __ C___ Glycoprotein (green) __ G ___ Phosphate heads (yellow) __ E ___ Glycolipids (purple)Match the cell membrane structure or its function with the correct letter from the cell membrane diagram.
Letter Structure/Function
Letter Structure/Function
__ G ___ Attracts water __ F__ Repels water __ I ___ Helps maintain flexibility of membrane _ G & F Make up the bilayer __ C & E___ Involved in cell-to-cell recognition __ B__ Help transport certain materials across the cell membrane 2 Define osmosis. THE MOVEMENT OF WATER ACROSS A SELECTIVELY PERMEABLE MEMBRANE FROM AN AREA OF HIGH CONCENTRATION TO AN AREA OF LOW CONCENTRATION. In which direction does water move across membranes, up or down the concentration gradient? DOWNDefine these 3 terms:
a. isotonic- THE CONCENTRATION OF DISSOLVED PARTICLES ARE THE SAME INSIDE AND OUTSIDE THE CELL Ȃ THERE IS NO OVERALL CHANGE IN THE CELL SIZE b. hypertonic THE CONCENTRATION OF DISSOLVED PARTICLES ARE HIGHER OUTSIDE THE CELL THAN INSIDE THE CELLȂ WATER WILL LEAVE THE CELL IN AN ATTEMPT TO DILUTE THE OUTSIDECONCENTRATION
c. hypotonic THE CONCENTRATION OF DISSOLVED PARTICLES ARE LOWER OUTSIDE THE CELL THAN INSIDE THE CELLȂ WATER WILL ENTER THE CELL IN AN ATTEMPT TO DILUTE THE INSIDECONCENTRATION
Use arrows to show the direction of water movement into or out of each cell. Color and label the cell in an
isotonic environment light blue, the hypotonic environment yellow, and the hypertonic environment light
green. Match the description or picture with the osmotic condition: A. Isotonic __ C __ solution with a lower solute concentration __A __ solution in which the solute concentration is the same B. Hypertonic __ A__ condition plant cells require __ A__ condition that animal cells require C. Hypotonic __ C __ red blood cell bursts (cytolysis) __ C ___ plant cell loses turgor pressure (Plasmolysis) __ B ___ solution with a higher solute concentration __ A __ plant cell with good turgor pressure __ C___ solution with a high water concentration Label the tonicity for each solution (isotonic, hypotonic, or hypertonic):HYPOTONIC ISOTONIC HYPERTONIC HYPOTONIG ISOTONIC HYPERTONIC
3Transport Requiring Energy
What type of transport is represented by the following picture? ACTIVEWhat energy is being used? ATP
In which direction (concentration gradient), is the movement occurring? AGAINST Color the internal environment of the cell yellow. Color and Label the transport proteins red and the substance being moved blue. One type of active transport is called the SODIUM- POTASSIUM pump which helps muscle cells contract. This pump uses PROTEINS to move ions AGAINST the concentration gradient. The protein that is used to pump the ions through is called a TRANSMEMBRANE (INTEGRAL) protein and it changes its SHAPE to move the ions across the cell membrane. Label and color the carrier proteins red and the ions green.TONICITY AND OSMOSIS
Part I Ȃ Fill in the blanks.
A SOLVENT is a fluid in which a substance is dissolved.A SOLUTE is a substance dissolved in a solvent.
A SOLUTION is a combination of solute and solvent. The process by which water diffuses across a membrane called OSMOSIS Part II Ȃ Look at the solutions illustrated above and fill in the blanks.1. Solution B is HYPERTONIC to Solution A. This is because Solution B has a greater concentration of
SOLUTES in it than does Solution A. Solution C has no solutes dissolved in it, therefore it is HYPOTONIC to
both Solutions A and B. 42. As a relative concentration of solutes in two solutions increases, of necessity the concentration of water in
the same two solutions INCREASES. Solution A has a lower concentration of SOLUTE than does Solution C;
Solution A is also hypertonic to Solution C.
3. If you wanted to make Solution A isotonic to Solution B, you could add water to Solution B or you could
add solute to Solution A. If you took all three solutions, put them into a large container and mixed them
thoroughly, then redistributed the solution among three containers, Solution A would be ISOTONIC to Solution B. Solution A would also be ISOTONIC to Solution C, and Solution C would be ISOTONIC toSolution B.
Part III Ȃ Look at the solutions and cells illustrated above and fill in the blanks.1. Because the cytoplasms of the plant and the animal cell have equal concentrations of solutes, we can say
their cytoplasms are ISOTONIC to each other. If we put both the plant and the animal cells into Solution A,
we would expect no change in the cells, because Solution A is ISOTONIC to the cytoplasm of each cell.
would expect water to LEAVE the cells through the process of OSMOSIS. This would result in the cytoplasm
of both cells shrinking.HYPOTONIC to the cytoplasm of both cells. WATER will enter both cells through osmosis. The animal cell is
likely to BURST, unfortunately. The plant cell, however, is protected from this because of the presence of its
CELL WALL.
Refer to the U-tube pictures above when answering the questions below.1. Why did the number of water molecules on each side of the membrane change, whereas the number of
sugar molecules stayed the same? WATER MOLECULES ARE SMALL ENOUGH TO PASS THROUGH THE PORES OF THE MEMBRANE, HOWEVER, THE SUGAR MOLECULES ARE NOT.2. How does the plasma membrane of a cell compare with the membrane in the U-shaped tube?
THEY ARE BOTH SELECTIVELY PERMEABLE BASED ON SIZE OF PARTICLES 53. Explain the behavior of water molecules in the isotonic solution. WATER MOLECULES WILL MOVE INTO
AND OUT OF THE CELL CONTINUOUSLY, HOWEVER, THERE WILL BE NO OVERALL CONCENTRATIONCHANGE SINCE THE MOVEMENT SHOULD BE EQUAL.
4. Does osmosis occur if a cell is placed in an isotonic solution? NO, BECAUSE THERE IS NO
CONCENTRATION GRADIENT (AREA OF HIGH TO AREA OF LOW Ȃ ISOTONIC IMPLIES EQUALCONCENTRATIONS)
5. Why does water enter a cell that is placed in a hypotonic solution? BECAUSE THE CONCENTRATION OF
SOLUTE IS LOWER OUTSIDE THE CELL THAN IT IS INSIDE THE CELL, SO THE WATER ENTERS THE CELL TO TRY TO DECREASE/EQUALIZE THE CONCENTRATIONS ON BOTH SIDES OF THE MEMBRANE.6. What happens to the pressure inside a cell that is placed in a hypertonic solution? THE PRESSURE
DECREASES AS THE WATER LEAVES THE CELL.
7. What can happen to animal cells when placed in a hypotonic solution? Explain. ANIMAL CELLS IN
HYPOTONIC SOLUTIONS CAN RUPTURE AS MORE AND MORE WATER RUSHES INTO THE CELL. PLANT CELLS WILL NOT HAVE THIS ISSUE BECAUSE THE CELL WALL PROTECTS THE PLANT CELLS FROMRUPTURING.
8. What causes a plant to wilt? PLANTS PLACED IN A HYPERTONIC SOLUTION WILL WILT AS WATER IS
REMOVED FROM THEM RESULTING IN PLASMOLYSIS.
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