Hi!
In order for cellular respiration to occur in a cell, the cell needs to have glucose molecules to utilize in the reaction which is as follows:
<u>C6H12O6</u> + 6 O2 --> 6 CO2 + 6 H2O + ATP (energy)
Cellular respiration cannot occur in the absence of glucose. Plant cells acquire this glucose from photosynthesis:
6CO2 + 6H2O + light energy = <u>C6H12O6</u> + 6O2
Animal cells do not need to photsynthesize because they acquire the amount of glucose for cellular reaction from their diet/consumption. Herbivores acquire this glucose from plants, carnivores from feeding off other animals, and omnivores from both feeding off plants and animals.
Hope this helps!
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
B) They maintain balance in the cell.
That mix of hydrophobic and hydrophilic, in other words, the mix of repelling and attraction maintains the aqueous balance in a cell and it's exterior.
Hope it helped,
BioTeacher101
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