Answer:
1. False
2. True
3.True
Explanation:1. Polar molecules have two regions but the regions are with a partial +tive charge and a partial -tive charge
2. Water is a polar molecule because of the partial +tive and partial -tive charge hence it dissolves polar solute(solute with ions)
3.The more electronegative region bonds with an electrophile to form a weak bond(Hydrogen bond)
They surround and engulf foreign objects and organisms- process called phagocytosis
Answer:
Yes,
It is considered equilibrium or homeostatis.
Explanation:
example: plankton as a producer, minnows and young fish eat the plankton. Larger game fish eat the littler fish. Humans and other animals consume larger fish. Animals die off, bacterial decay are washed into water to start it all over again.
Answer:
If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable. If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.
Explanation: