Answer: The second one so uea
The correct option is B.
Mitochondria is one of the membrane bound organelles that is found in living cells. It is called the power house of the cell because it is responsible for providing energy for the life sustaining activities of the cells. Mitochondria possesses an outer membrane and a highly convoluted inner membranes.The convoluted portion of the mitochondria provides a large surface area for the occurrence of biochemical reactions<span />
Answer:
The answer is.......
Explanation: (Just took test) The first drop down is <u>club fungi </u> The second drop down is<u> chytrids</u> The third drop down is <u>zygote fungi </u>and The fourth drop down is <u>sac fungi</u> .
Since fire is a chemical reaction, and oxygen is needed for that reaction, having a fire in a cave is a sure sign of the presence of oxygen.
Answer:
False
Explanation:
Action potential will only be fired when the memebrane potential is above the threshold level.
This follows the all-none -principle.
No matter the strenght of stimulus if the magnitride is not upto the threshold level,No action potential will.be generated.
An example is the flushing of water closet or lavoratory.No mater one tried to flush,if the water in the closet does not fill up to the threshold for flushing,,to propel flushing. not flushing will take place.