Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
Answer:
Systemic gas exchange is the unloading of oxygen and loading of carbon dioxide
The question is incomplete as it does not have the options which are:
A. endocytosis
B. active transport
C. facilitated diffusion
D. infusion
E. osmosis
Answer:
B. active transport
Explanation:
The neuron cell involves the influx and efflux of the sodium and potassium ions. These ions move through membrane proteins by facilitated diffusion and active transport.
The active transport allows the movement of ions against the concentration gradient that is even if the concentration of ions is higher.
In the given question, although the potassium ions are higher in the cytoplasm of the neuron, the potassium ions can enter the cell through active transport.
Thus, active transport is correct.
Solute is the substance that dissolves
- Solute is a minor component
- Solvent is a major component
- Solutions is a mixture where the solute is uniformly distributed in the solvent.
- Solution is homogeneous mixture that contains particles the size of a typical ion or small molecule.
- The mass of the solute dissolved per unit volume of solvent is called Concentration
- Solubility is The concentration of a saturated solution
- Solutes lower the freezing point and raise the boiling point of a solvent.
- Saturated Solution is a solution in which no more solid can be dissolved
- Unsaturated Solution is solution in which more solid can be dissolved
- Precipitate is a solid that crystallizes out of a saturated solution as it is cooled.
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Drift can lead to the fixation or loss of entire genotypes in clonal (asexual) organisms.