Mitosis produces 2 diploid cells. The old name for meiosis<span> was </span>reduction<span>/ </span>division<span>. </span>Meiosis<span> I reduces the ploidy level from 2n to n (</span>reduction<span>) while </span>Meiosis II divides the remaining set of chromosomes in a mitosis-like process (division<span>). Most of the differences between the processes </span>occur<span> during </span>Meiosis<span> I.</span>
Answer:
C. Four daughter cells are produced by a single parent cell.
Answer:
The correct answer is: a) osmosis.
Explanation:
- Osmosis can be defined as the physiological process by which molecules (in this case water) tend to move from a region where their concentration is high to a region where their concentration is low by the process of diffusion across a semi-permeable membrane.
- Active Transport can be defined as the physiological process in which molecules are forced to move from a region where their concentration is low to a region where their concentration is high across a semi-permeable membrane. This process requires the expenditure of energy and is usually mediated by carrier proteins or integral membrane proteins which span across the plasma membrane.
- Filtration can be defined as the physical process by which insoluble solute molecules are separated from the solvent molecules by the help of a porous filter paper which allows the solvent molecules to pass through it but restricts the insoluble solute molecules from passing through it.
- Diffusion can be defined as the physical process by which molecules tend to move from a region where its concentration is high to a region where its concentration is low. However, unlike osmosis, there is no semi-permeable membrane which separates the two regions.
Answer:
Mitochondria
Explanation:
This vigorous activity is powered by organelles known as mitochondria.
A cinder cone<span> or </span>scoria cone<span> is a steep </span>conical hill<span> of loose </span>pyroclastic<span> fragments, such as either volcanic clinkers, cinders, volcanic ash, or </span>scoria<span> that has been built around a </span>volcanic vent.[1][2]<span> They consist of loose pyroclastic debris formed by explosive eruptions or lava fountains from a single, typically cylindrical, vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as either cinders, clinkers, or scoria around the vent to form a cone that often is beautifully symmetrical; with slopes between 30-40°; and a nearly circular ground plan. Most cinder cones have a bowl-shaped </span>crater<span> at the summit.</span><span>[1]
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