Answer:
gas because its going super fast and free
Explanation:
You need to draw a punnet square:
_______
__|P | w |
|P |PP| Pw|
|w |Pw| ww|
So that means you'll have:
1/4 PP flowers, which are homozygous purple flowers
2/4 Pw flowers, which are heterozygous purple flowers
1/4 ww flowers, which are homozygous white flowers
So the ratio of purple to white flowers is 3:1
Answer:
Active Transport
Explanation:
Active transport is the process of transport of substances from region of their lower to that of higher concentration. Since the transport occurs against the concentration gradient, it is energy requiring process and needs input of energy to occur.
In given example, liver cells transports vitamins against the concentration gradient in energy dependent manner. Therefore, it is an example of "active transport".
Answer: this
The central nervous system includes the brain and spinal cord, while the peripheral nervous system includes all of the nerves that branch out from the brain and spinal cord and extend to other parts of the body including muscles and organs.