Answer:
Option C. Peripheral nervous system
Explanation:
The Parkinson's disease is a disorder that directly affects the nerve cells of the body. The neurons that produces dopamine dies in this disorder that produces symptoms like slowness, balancing problem and stiffness.
The Peripheral nervous system connects the CNS to body limbs and organs. The information is transferred from the brain and spinal cord to other body parts that helps to react with external stimulus.
In Parkinson's disease, the transfer of motor signals to muscles is prevented by inhibiting parts of peripheral nervous system. Thus, option C is correct.
Which properties of water plays an important role in the movement of water from the roots to the leaves in plants? Is <span>capillary action</span>
Answer:
Epigenetics.
Explanation:
Epigenetics is the study of phenotypic changes which are heritable but not related to changes in the DNA sequence. It is influenced by several factors including the environment.
An example of epigenetics is DNA methylation: addition of methyl group to some part of the DNA that prevents that part from being expressed. Other examples include history modifications.
In summary, Epigenetics describes inheritance through other mechanisms than through the DNA sequence.
Answer: B. the pH in the stomach is not suitable for the amylase to work.
Explanation: When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach.