What Level of Protein Structure Is Composed Of $\alpha$ Helices $\beta$ Sheets, and Turns?
A) Primary
B) Secondary
C) Tertiary
D)

question 25

Multiple Choice

What level of protein structure is composed of $\alpha$ helices, $\beta$ sheets, and turns?

• A) primary
• B) secondary
• C) tertiary
• D) quaternary
• E) both secondary and tertiary

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

---

Definitions:

Efferent Nerve Fibres

Nerve fibers that carry impulses away from the central nervous system to effectors such as muscles or glands.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information throughout the body.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Autonomic Nervous Systems

The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.