PLTW PBS Final Review

Front

In DNA, A pairs with ____ and C pairs with ____.

Back

A pairs with T (Thymine) and C pairs with G (Guanine).

Front

What does Locard's Exchange Principle state?

Back

It states that it is impossible to commit a crime without leaving traces.

Front

What is the most common presumptive blood test that uses phenolphthalein?

Back

Kastle-Meyer test.

Front

What is the fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes?

Back

Plasma.

Front

In gel electrophoresis, how do smaller fragments behave compared to larger fragments?

Back

Smaller fragments move faster than larger fragments.

Front

What is the role of hemoglobin in blood?

Back

Hemoglobin carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Front

What is the primary function of red blood cells?

Back

To transport oxygen throughout the body.

Tags

NGSS.HS-LS1-7

Front

What is the function of white blood cells?

Back

To fight infections and protect the body against foreign invaders.

Front

What are platelets responsible for?

Back

Platelets are responsible for blood clotting.

Front

What is the significance of the Kastle-Meyer test in forensic science?

Back

It is used to determine the presence of blood at a crime scene.