Review for MP3 Scrimmage

What is a hypothesis?

• The results of the independent variable.

• The variables that are kept the same.

• An educated guess that the researchers are trying to test.

• All the variables in an experiment.

What is a dichotomous key?

• A method to identify unknown organism by following several steps.

• A key to name organisms.

• A key step in many reactions in our body.

Living things are made of cells and can grow by making copies of the cells, while non-living things are not made of cells.

• True

• False

The proteins and organs inside our bodies have different shapes. The structure of the organs and proteins corresponds to the ______.

• movement of the the organs and proteins

• function of the organs and proteins

• location of the organs and proteins

Which factors can denature enzymes?

• Heat and pressure

• Heat and pH

• Color and shape

• Protein and receptor

What is the function of the cell membrane?

• Make energy or ATP

• Store the DNA

• Regulate the transport of materials into and out of the cell

• Regulate the optimal pH

What is the function of the mitochondria?

• Make energy or ATP

• Store the DNA

• Regulate the transport of materials into and out of the cell

• Regulate the optimal pH

Which is more complex, an organism or a single cell?

• An organism

• A single cell

What is the function of the respiratory system?

• To break down food

• To exchange gases: O2 and CO2

• To think and carry out cognitive processes

• To reproduce

What is paper chromatography?

• A technique used to separate compounds based on their distribution between stationary phase and mobile phase.

• A method of dissecting and studying the structures of organs.

• A method of staining to see the structures of different organs.