PBS Semester 1 Exam Review

Front

What structure is outlined in the BLACK outline?

Back

Hydrogen bonds are the weak attractions between the hydrogen atom of one molecule and an electronegative atom of another molecule, crucial in the structure of DNA.

Front

What valve allows blood to flow from the right ventricle into the pulmonary arteries?

Back

The pulmonary valve is responsible for directing blood from the right ventricle to the lungs for oxygenation.

Front

What is natural death an example of?

Back

Natural death is classified as a manner of death, indicating that it occurred due to natural causes without external intervention.

Front

Does D carry oxygenated or deoxygenated blood?

Back

D carries oxygenated blood, which is rich in oxygen and is transported from the lungs to the body.

Front

What type of diabetes occurs when cells become resistant to insulin?

Back

Type 2 Diabetes is characterized by insulin resistance, where the body's cells do not respond effectively to insulin.

Front

Define a nucleotide.

Back

A nucleotide is the basic building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the role of deoxyribose sugar in DNA?

Back

Deoxyribose sugar forms the backbone of DNA, linking with phosphate groups to create the structure of the DNA molecule.

Front

What is the function of the aortic valve?

Back

The aortic valve regulates blood flow from the left ventricle into the aorta, ensuring proper circulation to the body.

Front

What is the difference between cause of death and manner of death?

Back

Cause of death refers to the specific reason for death (e.g., heart attack), while manner of death categorizes the circumstances (e.g., natural, accidental).

Front

What is the mechanism of death?

Back

The mechanism of death is the physiological process that leads to death, such as cardiac arrest or respiratory failure.