AP 168 Final Exam Review

Front

What is homeostasis?

Back

Homeostasis is the tendency of the body to maintain a stable internal environment.

Front

What are the functions of bones?

Back

Functions of bones include protecting internal organs, providing a source for red and white blood cells, and storing inorganic salts. However, they do not provide a set point for the control of blood pressure and body temperature.

Front

What is the mRNA sequence encoded by the DNA sequence AACGGTGCACCACGG?

Back

The mRNA sequence encoded is UUGCCACGUGGUGCC.

Front

What is metabolism?

Back

Metabolism is defined as all the chemical reactions occurring in an organism that support life.

Front

What determines the color of skin?

Back

The color of skin is determined by the amount of melanin that melanocytes produce.

Front

Define homeostasis in biological terms.

Back

Homeostasis refers to the processes that maintain the stability of the human body's internal environment in response to changes in external conditions.

Front

List the main functions of the skeletal system.

Back

The skeletal system protects internal organs, supports the body, facilitates movement, stores minerals, and produces blood cells.

Front

What is the role of melanin in the skin?

Back

Melanin is a pigment produced by melanocytes that determines the color of the skin and provides protection against UV radiation.

Front

Explain the process of transcription in protein synthesis.

Back

Transcription is the process where the DNA sequence of a gene is copied into mRNA, which then carries the genetic information to the ribosome for protein synthesis.

Front

What is the significance of red and white blood cells?

Back

Red blood cells transport oxygen to body tissues, while white blood cells are crucial for the immune response and fighting infections.