PBS EOC Review #1

Front

What is the variable that is being measured in response to changes made by the researcher?

Back

The dependent variable.

Front

Which method cannot be used to identify a single suspect in a criminal investigation?

Back

Blood type.

Front

What blood component increases when the body is fighting an infection?

Back

White blood cells.

Front

What are the enzymes called that cut DNA at specific locations to create RFLPs?

Back

Restriction enzymes.

Front

What molecule is composed of amino acids?

Back

Proteins.

Front

Define the independent variable in an experiment.

Back

The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is the role of white blood cells in the body?

Back

White blood cells are part of the immune system and help the body fight infections.

Front

What is DNA analysis used for in criminal investigations?

Back

DNA analysis is used to match biological samples from a crime scene to a suspect.

Front

What are restriction enzymes used for in biotechnology?

Back

Restriction enzymes are used to cut DNA into smaller fragments for cloning or analysis.

Front

What are the main components of blood?

Back

The main components of blood are red blood cells, white blood cells, platelets, and plasma.