photosystem 2, photosystem 1, pumping hydrogen..., and making NADPH
Answer:
4 grams
Explanation:
If in an experiment, we have 4g of reactants, the mass of the products will also be 4g.
This is in compliance with the law of conservation of mass in a chemical reaction.
According to this law,
"in a chemical reaction, matter is neither created nor destroyed but changed from one form to another".
If:
A + B → C
4g 4g
mass of A and B must be equal to the mass of the product according to the law of conservation of mass.
Answer:
The cell membrane is selectively permeable and able to regulate what enters and exits the cell, thus facilitating the transport of materials needed for survival. ...
Explanation:
Because the membrane acts as a barrier for certain molecules and ions, they can occur in different concentrations on the two sides of the membrane.
Answer:
Option B, It's complicated; we evolved from living apes but not specifically chimpanzees
Explanation:
Humans resembles very closely with the Apes and thus it is believed that the closest ancestors to humans is ape. Humans have not originated from chimpanzees, gorillas or even apes. There are several controversies associated with the evolution of humans. There have been several geological time gaps during the evolution of humans. Also though humans have not evolved from the Apes , they share several primate characteristics with them.
Hence, option B is correct
Most stinging cells or underground, like nests {glad to help}
