Answer:
The correct answer is option D.
Explanation:
In the given case, a similar amount of colonies is witnessed in both control as well as the test plate. This concludes that it does not influence the organism, thus, there was no enhancement in the rate of reversion, that is, the number of colonies in the test plate does not get decrease. Thus, the compound in the disc is not mutagenic as there was no increase in the reversion rate.
Plasmolysis can be defined as the process where cells lose
water concentration in a hypertonic solution and this process leads to contraction or shrinkage of the pant cell
protoplasm. However, water leaves the cell due to hyperosmotic solution
because it contains solutes such as sorbitol, sucrose and mannitol.
Specialized cells perform specialized functions in multicellular organisms.
<span>At least 50% of the variation in the trait in the population is due to genetic differences.</span>
