Answer:
because when you do it on accident it is unintentional and scares you because you werent expecting it. but when you do it on purpose it wont hurt because your brain stops you from doing it so hard that it hurts lol
Explanation:
The nucleus of the cell directs cell activity and acts like the control center. This is the place where gene activity is controlled in terms of the replication of the genes. In addition the movement and actions of the cell are also dictated from the nucleus.
Answer: water travels from high to low concentration of the solute
Electrolytes are known to
be major components pf body fluid and these electrolytes enter the body through
foods. Thus, major regulation of body fluid and electrolyte balance in the body
is through the process of osmosis. However, osmosis can be defined as the
movement of water through the semipermeable membrane from lower concentration
of solute to higher concentration of solute.
4.Metaphase
All of the chromosomes are aligned midway between the
spindle poles. A spindle is a dynamic network of microtubules that
attaches to and moves chromosomes during nuclear division. Microtubules
attach each chromatid to one of the spindle poles, and its sister to the
opposite pole.