Last Name First Name
Select your class period.
"The effect of insecticide on the number of plant leaves" is the title of a table of data. Identify the independent variable. (type and spell the one word correctly, no capital letters)
"The effect of insecticide on the number of plant leaves" is the title of a table of data. Identify the dependent variable.
"The effect of insecticide on the number of plant leaves" is the title of a table of data. Select a constant in the experiment.
"The effect of insecticide on the number of plant leaves" is the title of a table of data. Identify a possible control in the experiment.
"The effect of insecticide on the number of plant leaves" is the title of a table of data. The data collected in this experiment was
"The effect of insecticide on the number of plant leaves" is the title of a table of data. When graphing this data, the number of plant leaves would be on the
"The effect of insecticide on the number of plant leaves" is the title of a table of data. A possible hypothesis for this experiment might be
"The effect of insecticide on the number of plant leaves" is the title of a table of data. If all the data collected in the experiment were zeroes (meaning that all the plant leaves died), would you accept or reject the hypothesis in the previous question?
"The effect of insecticide on the number of plant leaves" is the title of a table of data. There were 100 plants used in the experiment. Select the best answer for why the experiment used 100 plants.
Make a word out of writing the Chemical Symbol for each of these atomic numbers 76 42 14 16. Do not put any spaces between the chemical symbols. Do not capitalize.
Using the Periodic Table provided above, give the number of electrons that Sulfur has in its third shell.
The atomic number of Carbon is ____________________.
Carbon has _________________ neutrons and _________________ protons and _________________electrons.
Carbon is sometimes called the molecule of life because all living organisms have carbon in them. Carbon can bind with many other molecules as well as itself due to the 4 empty spaces in its outer electron shell.
Protons have a
Neutrons have a
Electrons have a
Electrons are much smaller than the protons and neutrons.
Find the correct answer about the structure of an atom.
4 elements are responsible for 96% of a human’s body mass: hydrogen, oxygen, nitrogen, and carbon.
Electrons are responsible for the chemical properties of elements.
The figure above compares
The two pictures above demonstrate that nonpolar solutes are not dissolved by polar solvents.
Using the figure above, identify each figure of the equation with its correct scientific term.
The pH scale above is based on the log of 10 and has a negative correlation with the hydrogen ion concentration. Bases range from ph 6-0 and acids range from ph 8-14.
A polar molecule
Using the picture above, select the false statement about water.
The figure above shows how carbohydrates and lipids are similar. Find the correct answer.
Use the figure above to describe the relationship between a monomer and a polymer.
Use the figure above to describe the type of bonds that link monomers in a protein.
The polymers of nucleic acids are made of nucleotides.
Using the table above, find the false statement about fats.
Lipds are important to living organisms because they form the membranes around cells. See figure above. These membranes are
Nucleic acids have one main function:
Glucose is a monomer and a carbohydrate. It is the simple sugar that starts cellular respiration and one of the end product of photosynthesis.
Refer to the figure above. Polymers are used widely to benefit humankind. Some polymers are made to repel water and some to attract water. The scientific terms for this is
All chemical reactions require ______________________________for bonds to break.
Refer to the picture above. The double arrows in a chemical equation tell you that the reaction ___________and is called _______________because the rates are the same.
Refer to the digram above. The arrow labeled "B" in this figure represents the
Refer to the figure above. Which phrase best describes an endothermic chemical reaction?
Refer to the pictures above. There are three pictures. A-top: bioluminescence; B-left bottom: photosynthesis; and C- right bottom: a chemcical reaction occurring in a lab beaker. Select the true statement.
Refer to the figure above. Cellular respiration is an example of a very important exothermic reaction. It releases not only usable ATP enrgy for your cells, but also heat that keeps your body warm.
Enzymes are beneficial in three ways: 1st, they speed up a reaction, 2nd, they save energy needed for the reaction, and 3rd they are never used up, so they are available to be used again as soon as they complete the reaction.
Use the picture above of an acquarium tank that is divided in half by a semi-permeable membrane. The tank was filled half full on both sides initially. After a period of time most of the water moved from Side A to Side B. Give the best explanation for why this happened.
A package was delivered to your school laboratory and was filled with glass test tubes. Environmentally friendly packing "peanuts" made out of starch were used to pack the glass test tubes. The packing "peanuts" can dissolve and be easily discarded down the drain. Use your knowledge of the factors that influence the rate of chemical reactions to select a solvent that will be the fastest dissolving the packing "peanuts."
Although we didn't start with a hypothesis, write a hypothesis you could use to test which water temperature would be the best at dissolving the packing peanuts. Remember that it must follow the "If...then" format. The "If" portion is the independent variable, and the "then" portion is the dependent variable, i.e., whatever was measured or recorded for the results.
If your lab didn't have the facilities to heat or cool the room temperature water, what other method could you use to increase the dissolving rate of the packing peanuts?
Since some of the packing peanuts dissolved in all of the solvent conditions, the packing peanuts must be
Diffusion occurs fastest in
Diffusion is the movement of particles from a higher concentration to a lower concentration.
While you were dissolving the packing peanuts, you discovered that the solution was much colder at the end compared to when you began dissolving the packing peanuts. Based on this information the experiment was an
Which diagram represents the reaction?
All cells have these three things:
Three things distinguish prokaryote cells from eukaryote cells. Prokaryote cells are single cells, smaller, and do not have membrane bound organelles.
If you were trying to determine if a cell was a plant or animal cell, what would you look for?
Look at the figure above of a cell membrane. Its complex structure is described by the Fluid Mosiac Model. One element of that description explains that the different proteins and lipids that make up the membrane are fluid and move around.
Look at the figure above of a cell membrane. The distinction between passive and active transport is
Endocytosis and exocytosis are ways that cells move large materials in and out of a cell. Both require energy.
Look at the figure above about tonicity in plant and animal cells. The main distinction between plant and animal cells is that
Look at the picture above of red blood cells in three different types of solutions. Select the picture of the cell that is shown in a stable isotonic solution.
What happens to ATP to release the energy for cellular work?
ATP is adenosine triphoshate. The tri- means that it has 3 phosphates.
The experiment shown above is looking for the number of plant and animal organisms that are needed to balance the gases in an acquarium. One step in the experiment placed a snail in a solution inside test tubes #2 that were exposed to a day and night treatment. Test tube #1 only contained the solution. The solution used had a chemical in it that reacted with carbon dioxide. The solutions in test tubes #2 both turned from green to yellow at the end of the cycle indicating that carbon dioxide concentrations had increased (High level). This is because all organisms perform cellular respiration 24-7 and the waste gas from cellular respiration is carbon dioxide.
Test Tube #1 was
One of the lab technicans thought that a plant should be used in the test tubes to determine the amount of cellular respiration that was occurring. In this experiment a plant was put inside the test tubes #2 and exposed to a day and night cycle. The test tube solution for the plant exposed to the day cycle turned from green to blue, indicating that the carbon dioxide in the solution had all been used up. The test tube solution for the plant in the night cycle started green and turned yellowish, indicating that there was a higher concentration of carbon dioxide. The plant wasn't a good choice to prove cellular respiration in organisms because there would need to be equipment to sort out the different exchanges of gases from photosynthesis and respiration.
What is the best answer to explain why the test tube solution with the plant that was exposed to the day treatment turned blue?
Plants release oxygen during photosynthesis as a waste product which is extremely important for all aerobic organisms. (organisms that require oxygen to live, like us)
Use the figure above to help you. Select the incorrect statement about cellular respiration.
Use the figure above to help you. Select the incorrect statement about photosynthesis.
Study the graph above showing the carbon dioxide levels recorded in a greenhouse during a 24 hour day. What is the best explanation of why carbon dioxide levels decreased between 8am and 4pm?
The above equation is showing the mirrored relationship between the reactions of photosynthesis and respiration.
Using the same equation above, the reactants in photosynthesis are the same reactants in respiration.
There are three types of photosynthesis: C3, C4 and CAM.
Photosynthesis and chemosynthesis are both producers meaning that they make their own food.
Cellular respiration begins in the cytoplasm of a cell and finishes inside the mitochondrion when oxygen is present.
Lactic acid fermentation occurs in plants and alcoholic fermentation occurs in animals.
Lactic acid fermentation is known for its economic importance because everyone eats bread.
When a photon of light hits an electron in chlorophyll, the electron is excited and moves out of its orbital. This movement can be seen by the emission of red light.
The stomata openings on leaves and stems allows
When removing a slide or placing a new slide on the stage of a microscope, the scanning objective lens is where you begin and end when using the microscope.
A wet mount is a slide that you have made using a dead or living specimen or something inorganic.
Calculate the total magnification of an object if you are using a 10x ocular lens with a 4x objective lens on a microscope.
Field of view increases with higher magnification.
Magnification increases with field of view.
Microscope lenses turns the specimen you are viewing upside down and backwards.
Answer the question in the picture above about the approximate length of one of these cells.
This picture of cells under the microscope is most likely plant cells.
This picture under the microsope is most likely single celled prokaryote cells..
The picture above of Volvox is a protist that can photosynthesize. (Volvox is a protist, so you just need to decide whether it can photosynthesize or not.)
This picture of differnent pollens was taken with a SEM microscope. (This is pollen so you just need to decide if the picture came from a SEM microscope or not. It is not a TEM microscope picture.)
During a mini-lab students took pH readings of 6 household cleaners.
The average pH readings are listed below and have been rounded off for convenience.
Sample #1 5pH
Sample #2 3pH
Sample #3 10pH
Sample #4 9 pH
Sample #5 8pH
Sample #6 8pH
Based on the results from the class pH lab, household cleaners are usually acids.
Interpreting Multiple Graphics. Study the above graphic about survival rates of cancer.
While prostate and breast cancers are the most common cancers in men and women, their survival rates are very high, 98% and 89%, respectively.
Which cancer has the lowest chance of survival? (You will have to type and spell it correctly to receive credit. Do not use capital letters.)
Identify this structure
Identify this structure and its function
This is the Golgi Apparatus and it helps with distribution of proteins.
This is smooth ER and it helps with detoxifying alcohol and drugs.
Something that the mitochondrion has in common with the Gogli Apparatus and the rough ER is that it has lots of folded membranes that increases the surface area for chemical reactions to occur.
The white colored material on the outside of the cell is the cell wall.
Do cells really have only a couple of mitochondrion?
