To protect them from ultraviolet rays from the sun.
The variety of all life forms on Earth.
Alpha helices and Beta pleated sheets make up the secondary structure of protein.
Answer:
C the number of daughter nuclei is half the number of parent nuclei.
The correct answer is d. spinal cord.
Spinal cord is a bundle of neurons which starts from the brain and runs down the entire length of the back of the body. The spinal cord acts as a main means to transmit the messages between the brain and the body.
Sensory or efferent neurons carry the information from the perimeter of the body and pass to the central nervous system whereas the motor or efferent neurons act as a communication channel and carry the information from the nervous system to various glands and muscles.
