This is active transport so the ions go against the concentration gradient. This means that the ions will travel from the place where there are less sodium ions(from the inside of the cell) to the place where there are more sodium ions (to the outside of the cell).
I believe that shiny is a defining trait
Answer:
option A
Explanation:
Potassium and calcium are critical for bone development and repair. Deficiency can lead to easy breakage.
I think the correct answer from the choices listed above is option A. The structure that is found in both prokaryotic cells and eukaryotic cells is the cytoplasm. Other choices given might not be present in either cell. Hope this answers the question.
Primary succession happens in a place where there is no soil cover or it is removed.
an abandoned field- Secondary; because there is cover of soil left, even if vegetation is removed.
<u>a cooling lava flow- Primary</u>; volcanic events lead to loss of soil layer, so this would lead to primary succession
<u>a valley under a glacier- Primary</u>; retreating glaciers are lead to primary succession
an unused farm-Secondary; the soil cover is still present
a burnt forest- Secondary; soil cover is still left for vegetation to start over again
<u>a deserted mine- Primary</u>; because there would be barren rocks left, so soil would be formed by pioneer species first.
