Yes, all polypeptides have tertiary structures. All proteins have primary, secondary and tertiary structures. However, quaternary structures only arise when a protein is made up of two or more polypeptide chains. Hope this answers the question. Have a nice day.
Answer:
In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Water, light, wind, soil, humidity, minerals, gases.
Q1. It originates in the spinal cord, not the brain
Q2. The environment and sensory receptors
Q3.Breathing during sleep
Q4. Reacts to a threat; Calms you down
Q5. Somatic nervous system
Benign means that the growth doesn’t spread to other parts of the body and the tumor is noncancerous.