The limitations of cell size are:
1) Surface area to volume ratio
2) Nucleo cytoplasmic ratio
3) Fragility of cell membrane
What are the cause of limitations on cell size?
The need for a surface area of sufficient area to allow the cells function→.
→If the surface area of cell increase volume increase to the cube of the linear increase.
→ Nuclie contains information needed for protein synthesis . Some cells reduce this limitation to increase the no. Of nucleus called multinucleated.
Examples are muscle cells.
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Industry
Cars
Fuel burning
Use of chlorofluorocarbons
He took swabs of one pea plant and put it on others to help them reproduce.
Answer:
, the Northern Hemisphere has summer. At the same time, the south end of Earth's axis is tilted away from the sun so other parts of the world is cold. as the earth revolves on its axis, we will soon experience winter as well. places like Antartica will always be cold , just because how its on the earth. its far far far aways from the sun. thats why it stays cold there.
Explanation:
Which is not an emotional reaction to stress?
picking a fight
feeling moody or aggressive
noticing your heart racing
bursting into tears more often
