All organisms are composed of one or more cells.

Stem cells have which of the following properties?

What part of the adult body houses stem cells that can differentiate into blood cells?

This source produces stem cells capable of differentiating into only a limited number of cell types.

Stargardt’s Disease is a condition of which part of the body?

The cell theory states that_________

A multicellular organism is made of

What is a cell?

The skin is an example of what level of biological organization?

What level of biological organization is the largest (includes all other levels)?

About how wide is a staple?

About how wide is the tip of a sharp pencil?

What is leukemia?

Which characteristic of living things is represented in the picture?

This is the countless chemical reactions that sustain life.

An emergent property is

Every cell is surrounded by a membrane.

Only animal cells house material which has all the instructions needed for the cell’s activities.

Cells have their own energy system that powers all of that cell’s activities.

A virus is the smallest unit of life.

Giant algae is an ideal organism for scientists to study because

Select all features which distinguish electron microscopes from light microscopes.

Select all features of E. Coli

Prokaryotes, by definition, do not have a nucleoid region.

This whip-like tail is utilized by prokaryotes for locomotion.

The rough endoplasmic reticulum is called "rough" because:

How many membranes do Ribosomes have?

The nucleus is so important that it has a double membrane so tight that nothing can pass in or out of it.

This organelle's slogan is "powerhouse of the cell" because it produces ATP.

This organelle processes proteins to be secreted for use outside the cell.

Plants and animal cells are examples of this type of cell:

This part of the experiment serves as a basis of comparison:

How many variables do we want to test/change during a controlled experiment?

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

An experiment is being done to determine how light affects the growth of small zinnia plants. One plant is placed in full sunlight, the second in a shaded area, the third in an unlit closet. What is the independent variable in the experiment?

What is the control group for?

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the control group?

An experiment is being done to determine how light affects the growth of small zinnia plants. One plant is placed in full sunlight, the second in a shaded area, the third in an unlit closet. What is the control group in this experiment?

The things that are kept the same to ensure the results are due to the experiment is called..

The variable which is changed on purpose is:

In a study to determine whether how long a student sleeps affects test scores, the independent variable is:

You think rising sea temperatures might affect the amount of algae in the water.

What is the independent variable?

Study the attached graph and select the one true statement.

On a graph, the independent variable should be placed on the:

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

What is a variable?

Which of the following would be a reasonable claim for this graph?

Examine the cartoon. Which is an inference?

Examine the cartoon. Which is an observation?

After a period of dormancy, something begins to grow and put out shoots.

The proportion of your forearm to your forearm plus hand.

Another term for maintaining an internal balance is...

How many phospholipids thick is the plasma membrane?

Which letter indicates the Hydrophobic region of the plasma membrane?

Which letter indicates the Hydrophilic region of the plasma membrane?

What is the name for when a single molecule has both a polar region and a non-polar region?

Which of the following descriptions of the plasma membrane indicate that it is dynamic?

The plasma membrane allows certain things to pass freely while others are not. What is this feature called?

What type of macro-molecule is labeled here as a "receptor"?

A state where all the parts of a system are in balance

Something which cannot be dissolved into another liquid or aqueous solution

Which letter indicates a molecule of cholesterol?

This part of a phospholipid is made of "fatty acids".

A phospholipid has this many greasy, non-polar tails.

This type of membrane protein is large enough to stick out on both sides of the plasma membrane.

This type of membrane protein resides in the plasma membrane but only on one side, it does not go all the way across the membrane.

These enable cell-to-cell communication.

This "sandwich" model of the plasma membrane was found to be inaccurate after tests with freeze-fracturing.

Immobilized enzymes with their active site on the outside are particularly found in which part of the body?

Which membrane protein function involves the use of ATP to move particles across the membrane?

How do certain membrane proteins assist in the movement of hydrophilic particles across the cell membrane?

The primary role of hormone binding sites or hormone receptors in membrane proteins is to:

Select all issues with the Davson-Danielli model that were solved by Singer and Nicholson's Fluid mosaic.

Type of passive transport that moves molecules from areas of high concentration to areas of low concentration.

Type of passive transport that moves water from areas of high water potential to areas of low water potential.

This process is an example of active transport. This processes occurs when large substances (or bulk amounts of smaller substances) exit the cell without crossing the membrane.

Select the two key qualities of the cell membrane:

Small non-polar molecules like O₂ and CO₂ enter a cell through

Which form of active transport is being shown?

White blood cells engulfing an invading pathogen is an example of:

The sodium potassium pump is an example of

If the body can no longer make ATP, which type of transport would be impacted?

If you could no longer make ATP, which type of transport could still occur. Choose all that apply.

Diffusion occurs when molecules

Look at the picture. What is most likely to occur over a period of time?

A plant's root cell already has a higher concentration of nutrients inside the cell than outside of the cell. How can the cell still take in nutrients?

What type of molecules can easily diffuse through the cell membrane? (Select all.)

You bought some fresh flowers from the store but they started to look wilted. Once you placed them in a vase full of water, the leaves and stems began to swell again. What process is responsible for this swelling?

The solution surrounding the cell in Diagram B, would be defined as:

The solution surrounding the cell in Diagram C, would be defined as

Which term means "evolution of life from inanimate substances?"

Which statement provides evidence for endosymbiosis?

In a copy of Louis Pasteur’s famous experiment, broth was put into flasks as shown in the diagrams.

What results would be expected with no spontaneous generation of life?

What is evidence for the endosymbiotic theory?

The statement relates to Pasteur’s experiments.

What did this statement suggest?

The diagram shows the proposed theory of endosymbiosis.

Which of the following explains why cells that contained mitochondria-like organelles had an evolutionary advantage?

What did electrical sparks in Miller and Urey's experiment mimic?

Cells without a nucleus.

Which question were Miller and Urey trying to answer with their experiment?