concentration means to pay attention to someone or something whereas focus means to look attentively to an object so as to gain some information on it.
ANSWER;
Focus and concentraton has the same meaning but in a different way. "Focus" is an attention on something, like when we focus on our study not on playing games. " Concentration is all about paying attention carefully to what you are doing.
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Focus refers to directing your attention and energy towards a specific task or goal, while concentration is the ability to maintain that focus over a period of time without being easily distracted. In other words, focus is about where you direct your attention, while concentration is about how you sustain that attention.
This is called a concentration gradient. It represents the difference in the concentrations of a substance between two regions, with molecules naturally moving from high to low concentration areas to reach equilibrium.
Normal concentration is expressed in terms of equivalents of a substance per liter of solution, while molar concentration is expressed in terms of moles of a substance per liter of solution. The difference lies in how the concentration is calculated and represented in the solution.
Isosmotic solutions have the same concentration of solutes, while isotonic solutions have the same concentration of solutes and the same osmotic pressure.
Isotonic solutions have the same concentration of solutes as the cells, while hypertonic solutions have a higher concentration of solutes than the cells.
A concentration gradient of molecules refers to the difference in the concentration of a specific molecule across a distance or region, which drives passive diffusion. In contrast, a concentration gradient of ions specifically refers to the variance in the concentration of charged particles (ions) across a space, influencing cellular processes like ion channel transport.