If NaCl concentration is higher outside the cell than inside the cell, and the osmolarity of the cell is higher than that of the solution surrounding the cell then Overall, the cell will take up water because it is hypertonic.
- Osmosis is the transfer of a solvent from a region of lower solute concentration to a region of higher solute concentration through a semi-permeable membrane.
- The dissolved solutes—the sodium and chloride ions that make up salt—cannot traverse the barrier but the water in the surrounding solvent can enter the membrane.
- In these circumstances, water from the solute environment will cross the membrane to balance the solute content on each side.
- When there are more solutes outside the cell than inside it, an environment is said to be hypertonic for cells, and it is said to be hypotonic for cells where there are fewer solutes outside than inside the cell.
- There is no net water movement when solute concentrations are the same on both sides of the cell, and the cell is referred to as isotonic.
hence , here the cell is hypertonic thus the cell will take up water and swell but the solutes like NaCl will not enter the cell.
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Answer:
Anton was by far the stronger swimmer and he had no excuse to fail
The outcome of this scenario is gene flow between the two com populations (Option b). It may lead to the introduction of the genetically modified allele into the natural population.
<h3>Gene flow and cross-pollination</h3>
Gene flow refers to the interchange of genes (alleles) between different populations as a consequence of mating and/or migration.
Gene flow leads to the mixture of different alleles in the populations, which will be selected in each environment in order to shape allele and genotypic frequencies over time.
In this case, maize is an allogamous plant, which means that cross-pollination and gene flow will occur between different maize (corn) populations.
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Answer:
The chemical factors that determine traits are called genes.
Answer;
-The bacterium would exhibit positive chemotaxis.
Explanation;
-Chemotaxis is the movement of cells or organisms in response to chemicals, whereby the cells are attracted (positive chemotaxis) or repelled (negative chemotaxis) by substances exhibiting chemical properties.
Flavonoids play a crucial role as signal molecules in promoting the formation of nodules by symbiotic bacteria commonly known as rhizobia. The roots of leguminous plants use positive chemotaxis to attract rhizobia. Flavonoids are the chemicals associated with attraction of Rhizobium bacteria.