PBS Unit 1.1 Test Review

Front

What is 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 does a chromosome represent in genetics?

Back

A chromosome is a long DNA molecule with part or all of the genetic material of an organism.

Front

What are fingerprint ridge details called?

Back

Fingerprint ridge details are referred to as minutiae.

Front

What part of blood is responsible for carrying oxygen?

Back

Red blood cells are responsible for carrying oxygen in the blood.

Front

Which DNA bases pair together?

Back

The DNA bases that pair together are Adenine (A) with Thymine (T).

Front

What is a dependent variable in an experiment?

Back

The dependent variable is the variable that is measured and affected in the experiment.

Front

What is the function of white blood cells?

Back

White blood cells are responsible for fighting infections and protecting the body against foreign invaders.

Front

What are the four main types of biomolecules?

Back

The four main types of biomolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the role of platelets in the blood?

Back

Platelets are responsible for blood clotting and preventing excessive bleeding.

Front

What is the structure of DNA?

Back

DNA has a double helix structure, consisting of two strands that coil around each other.