Answer:
TRUE
Explanation:
No biological system is completely closed.
A nutrient cycle is the movement and exchange of both organic and inorganic matter back into the production of matter. This cycle is a recycling system which always occurs no matter what.
In a system that looks closed (closed loop), nutrients may be limited because they are not cycled through the system fast enough and/or it is not possible to compensate for deficiencies by migration.
Answer:
the first stop is used to fill the micropipette tip and the second stop is used to dispense the content of the tip
The only logical answer would be C. Unicellular, but the answers seem to be all wrong.
The nucleus is the part which controls the cell and is semipermeable
Answer:
The answer is aiding in chemical digestion of fats
Hope this helps you