Station A: Organelle Functions1. Match the organelle with its correct function (write the letter next to the function):

A. Nucleus1. _____ contains substances the cell produces (like hormones, enzymes, and waste products) and secretes them at the plasma membrane.

B. Mitochondrion 2. _____ processes proteins and other molecules and directs them to where they need to go.

C. Endoplasmic Reticulum 3. _____ has enzymes that degrade bacteria, old organelles, and other unwanted substances.

D. Golgi Complex 4. _____ often called the “powerhouse” of the cell, where respiration produces ATP, an energy-rich substance.

E. Lysosome 5. _____ often called the “brain” or “control center” of the cell, contains chromosomal DNA and a nucleolus.

F. Vesicle6. _____ transports materials, and is the site of attachment for ribosomes, structures involved in building chains of amino acids.

Station B: Plasma Membrane

1. The cell membrane consists of two layers of phospholipids. Each phospholipid molecule has two parts, commonly referred to as the “head” and the “tail.” The heads are water-soluble and face outward, and the tails are water-insoluble and face inward. Loosely sketch the phospholipid bilayer of a portion of a cell’s plasma membrane.

Station C: Organelles

1. The basic building block of life is the __________. The structures within a cell that carry out specialized functions are called _______________.

2. Below is a photo of the cell model. Identify the organelles on the picture.

Station D: Multiple Choice Questions PracticeAnswer each of the questions below, then correct your answers using the sheet provided. For each question you got wrong, write the page in your notebook you need to study.

1) Using the structure to the Right, which structure functions mainly in transport?

a. A and Fb. B and Dc. C and Fd. C and D

2) Using the structure to the right, which structure is responsible for the synthesis of ribosomes?

a. Ab. Bc. Cd. D

3) A student filled a bag of dialysis tubing with a milky-white starch solution and placed the bag in a beaker of iodine-water as shown in the diagram. An hour later, the student observed that the starch solution had turned blue-black (positive test for starch). What is the most probably explanation for the change?

a. The iodine diffused into the bagb. The starch was changed to sugarc. The iodine was changed to starchd. The starch diffused out of the bag

4) Which process requires the expenditure of cellular energy?a. Passive Transport b. Active Transport c. Osmosis d. Diffusion

5) Which substances may pass through a cell membrane by simple diffusion?a. Starch and protein c. protein and fatb. Carbon dioxide and water d. Carbon dioxide and starch

Station E: OrganellesIdentify the organelles in the pictures.

Station F: Multiple Choice Questions

1) Which organelle is most closely associated with protein synthesis?a. Chloroplasts c. mitochondriab. Ribosomes d. lysosomes

2) Which structures are found in every living cell?a. A plasma membrane and cytoplasmb. Chloroplast and mitochondriac. A cell wall and a nucleusd. Centrioles and chromosomes

3) In the diagram of a cell shown, the structure labeled X enables the cell to

a. Release energy b. Store waste productsc. Control nuclear divisiond. Manufacture proteins

4) Which cell activity is illustrated by the diagrams shown?

a. Osmosis b. Diffusion c. endocytosis d. exocytosis

5) Active Transport is different from passive transport in that active transport involvesa. The movement of molecules form high concentration to low concentrationb. The expenditure of energyc. The use of ribosomesd. A process which occurs only in the cell of simple plants and animals

Station G: Cell Organelles1) What is it?

a) Small structure in a cell that performs a specific function is the:____________________b) Dark spots in the nucleus where ribosomes are made would be:____________________c) Sac of digestive enzymes: ____________________d) This sends modified proteins to the Golgi: ____________________e) Outside the cell membrane in plants and bacteria and provides support: ____________________f) These sausage shaped organelles burn glucose and store energy: ____________________g) The molecule used by cells to store genetic information: ____________________h) An organism with a nuclear membrane and membrane bound organelles: ____________________i) Surrounded by a double membrane, contains the DNA, acts as a control center: ____________________j) The gel-like material that holds the cell’s organelles: ____________________k) The function of the ribosomes is to make ____________________l) This looks like a stack of pancakes and packages molecules for transport: _________________________m) Space for storing water, food, enzymes, or waste: ____________________n) An organism like a bacteria with no nucleus or membrane bound organelles: ______________________o) Small structure that make proteins: ____________________

Station H: Cell Transport

Choice the correct word for each blank:

Passive transport within a cell requires 1.___________ (no energy, energy). Substances then move from 2.________________(high to low, low to high) concentration 3._________________ (with, against) the concentration gradient. There are three different types: 4._____________, ______________, ________________.

Active transport within a cell requires 5.___________ (no energy, energy). Substances then move from 6.________________(high to low, low to high) concentration 7._________________ (with, against) the concentration gradient. There are two different types: 8._____________, ______________.

Station I: Plasma Membrane

Identify each of the parts of the plasma membrane below:

Station J: Cell Transport:

For each of the following, draw the solution and identify if it is describing an isotonic, hypertonic, or hypotonic solution.1. The concentration of the solute in the solution is lower than the concentration inside the cell.2. When a cell is placed in this solution, water will enter the cell.3. A plant cell with good turgor pressure.4. The concentration of the solute in the solution is high than the concentration inside the cell. 5. The concentration of the solute in the solution is the same as in the cell6. Plant cells go limp when put in this solution.

Station K: Cell TransportAnswer each of the questions below. Show all your work.1. Which way will water move? Draw the problem and Identify each type of solution.

a. A cell with a 13% salt solution is placed in a solution that is 78% water.b. A cell with 8% salt is placed in a solution that is 96% water.c. A cell that is 94% water was placed in a solution that is 6% salt.d. A cell that was 4% salt was placed in a strong salt solution.

2. The U-tube pictured has a semi-permeable membrane that is only permeable to water, not salt. Identify which way the water will move and what will happen to the water level on each side.

Station L: Prokaryote/Eukaryote

CHARACTERISTICS OF CELLSTRAIT BACTERIA PLANT CELL

Prokaryote or Eukaryote?

Encloses Cytoplasm of Cell?

Presence of Cell Wall?

DNA is circular or linear Chromosomes?

Vacuoles --- Are they present? Yes or No?

Chloroplasts?

Cell Size --- Small or Very Small?

Mitochondria?

Ribosomes?

Station M: Cell Transport

The cell below is surrounded by a semi-permeable membrane. It is permeable to all three substances. Complete the chart below and then identify which direction each of the substances will move.

Total Number of shapes inside the cell: ____________Total Number of shapes outside the cell: _____________

Shape Inside Cell Percent (# of shape/total

inside)

Outside Cell Percent (# of shape/total

outside)

The triangle will move ___________________________ the cell.

The star will move ___________________________ the cell.

The circle will move _____________________________ the cell.