Why are gram positive bacteria susceptible to penicillin? [ad_1] Penicillin is an antibody of the fungus Penicillium that prevents gram positive from forming cell walls. Without a cell wall the bacteria dies because it cannot maintain homeostasis. Gram positive bacteria have a thick peptidoglycan layer in their cell wall which differentiates them from gram negative […]
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Why does the cell divide twice in the process of meiosis? [ad_1] Because the chromosomes are still duplicated after the first division. The second division cause the new cells to end up with half of the number of chromosomes of the parents cell. Meiosis is a reduction division meaning it needs to reduce the number
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What is an apical meristem? [ad_1] Meristems are region of cells capable of division and growth in plants. They are classified by their location in the plant. Apical meristems are also known as primary meristems because they give rise to the primary plant body. Lateral meristems are secondary meristems because they are responsible for secondary
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During the process of nitrogen fixation what is nitrogen gas converted into? [ad_1] Nitrogen gas is mainly fixed as nitrates which are immediately absorbed by plants. There are 3 ways of nitrogen fixation Atmospheric Nitrogen fixation -during thunder storms the lightning energy is used for combining nitrogen and oxygen to form oxides of nitrogen. This
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