Unit 1.1 Review

Front

What is a compound microscope?

Back

A compound microscope is an optical instrument that uses multiple lenses to magnify small objects, allowing for detailed observation of specimens.

Front

How can you tell that a compound microscope was used to get an image of bacterial cells?

Back

The image is 2-D showing multiple whole cells.

Front

What is the purpose of staining a specimen in microscopy?

Back

Staining enhances contrast in the specimen, making tiny details more visible under the microscope.

Front

What is the dependent variable in an experiment testing fertilizers on plant growth?

Back

Plant growth (height or mass) is the dependent variable.

Front

What type of microscope is best for observing the surface details of a bug’s wing?

Back

A scanning electron microscope is best for creating highly detailed images using beams of electrons.

Front

What is the independent variable in an experiment testing different fertilizers?

Back

The type of fertilizer is the independent variable.

Front

What does a line graph represent in scientific data?

Back

A line graph represents the relationship between two variables, showing how one variable changes in response to another.

Front

What is the significance of identifying the temperature with the highest number of bacterial colonies?

Back

It helps determine the optimal conditions for bacterial growth.

Front

What is the role of a dissecting microscope?

Back

A dissecting microscope is used for low magnification observation of larger specimens, allowing for 3-D viewing.

Front

What is the difference between a scanning electron microscope and a transmission electron microscope?

Back

A scanning electron microscope provides detailed surface images, while a transmission electron microscope allows for viewing internal structures by transmitting electrons through a specimen.