D.) = 1.)
A.) = 3.)
C.) = 2.)
B.) = 4.)
Explanation:
Reflexes do slow with age. Physical changes in nerve fibers slow the speed of conduction. And the parts of the brain involved in motor control lose cells over time.
Researchers found that the brain's response time begins to decline at age 24. The descent is a slow, but nonetheless, steady one.
The thick band of fibers that connects the two hemispheres of the brain is called the corpus callosum.
<h3>
What is the function of the corpus callosum?</h3>
- The greatest connective network in the brain is the corpus callosum, which is Latin for "tough body."
- The corpus callosum is a significant mass of more than 200 million myelinated nerve fibers that connects the two hemispheres of the brain and enables the communication between the right and left sides of the brain.
- This cerebral highway serves as a conduit for the continual exchange of sensory, motor, and cognitive information.
<h3>
What is the structure of the corpus callosum?</h3>
- The roof of the lateral ventricles is made up of part of the corpus callosum.
- Four distinct neural pathways that connect various regions of the hemispheres make up the corpus callosum. The rostrum, genu, trunk or body, and splenium are the neural pathways.
- The isthmus is a thin area that lies between the trunk and the spleen.
- The tapetum, a group of fibers from the trunk and spleen, forms the roof of each lateral ventricle.
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Answer:
By decoding information with the help of transfer RNA (tRNA).
Explanation:
The cell uses the information in DNA with the help of transfer RNA (tRNA) to synthesize a protein because transfer RNA (tRNA) decode a messenger RNA (mRNA) in order to produce proteins according to the information present in messenger RNA (mRNA). The information about protein is stored in a gene's DNA which is passed to a RNA in the cell nucleus which is responsible for formation of copies of DNA in the process of translation. So the cell uses the information of gene's DNA with the help of RNA molecules.