One of the plants in this grouping are chrysanthemums.
Answer:
I, II, III
Explanation:
A threshold stimulus is a stimulus that is capable to produce a response in excitable tissues such as neurons and muscle fibers. At threshold potential, the outward movement of K+ and inward movement of Na+ become equal to each other. When the potential exceeds the threshold potential, more and more Na+ enter the cell to depolarize it and to allow the opening of Na+ channels. Therefore, to fire an action potential, the threshold must be exceeded.
Conduction of action potential is all or none phenomenon which means that either it occurs or it does not occur. As an impulse is passed by each successive part of an exon, it enters the refractory period during which there is no conduction of nerve impulse. It ensures the one-way conduction of impulse from the cell body to the axon terminal only.
Learning about the different body parts will help us better understand human life and health because it can make us care about others instead of just are selves and encourage us to do something about the health difficulties in life.
Answer:
this process is called transformation, and for the first time, Frederick Griffith observed this process, but he could not explain it.
Answer:
13 th amendment because it abolished slavery
The 26th amendment because it let people 18 or older vote ( because people 18 or older went to vietnameses war so they protest)
1st amendment (freedom of speech etc)
Explanation:
