Answer:
D.) A Water Fern
Explanation:
Azolla, also called Mosquito ferns, are a species of <em>aquatic ferns </em>in the Salviniaceae family
The arranged events in respect to the function of the channels, ion permeability, and changes in membrane potential from top to bottom include:
1. opening of voltage-gated Na+ channels
2. Na+ ion flow into the neuron increases
3. depolarization of the membrane to +30 mV
4. K+ ion flow out of the neuron increases
5. repolarization of the membrane.
<h3>What is Membrane potential?</h3>
This is defined as the difference in electric potential between the interior and exterior parts of a biological cell and also refers to the potential gradient which facilitates the movement of ions in a cell in one direction.
In a cell, the series of events which occur according the variables such as ion permeability is opening of voltage-gated Na+ channels and is usually ended by the repolarization of the membrane.
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They are carried by vesicle transport to the other compartments of the system
Soaps are alkali , which is why they are bitter and slippery . Alkalis have a pH (potential hydrogen ) of 7-12 . Lemon juice is acidic which would neutralize the alkalinity of the soap . Acids have pH of 1-6 . It would cause the pH of the soap to drop .
Answer:
The presence of starch in leaves is testing with the Iodine test.
Explanation:
First, chlorophyll is removed from the leaf by boiling it in alcohol.
Then, two drops of iodine solution are put onto the leaf.
If the colour changes to blue, it indicates the presence of starch.
If it does not, there is no starch.
I hope this helps!
-Bella
<em>BrainlyBluebell</em>
