Ocean trenches are deep sections of the ocean where an oceanic plate is usually sinking below a continental plate. How are they formed? They are formed in the subduction zone as the denser oceanic plate is subjected under the continental plate.
Answer:
The correct answer is - A only.
Explanation:
The phospholipid membrane that is hydrophobic layer which permits movement of the molecules with the help of various transport protein or carrier proteins only if they are large or hydrophilic in nature such as water, however small molecules like hydrophobic molecules like lipids move through phospholipid by simple diffusion.
Rapid movement of the lipid is not need specific transport protein to cross phospholipid of the plasma membrane because of their hydrophobic nature. It also allows rapid movement in transport of the CO2 and Oxygen.
Thus, the correct answer is - A only.
Natural selection is one of the basic mechanisms of evolution during which those variations in the genotype that increase organism's chances of survival and procreation are preserved and multiplied from generation to generation at the expense of those that are less advantageous. In this case the following are postulates of natural selection; Individuals with certain traits are more likely to survive and reproduce, individuals in a population vary more likely to survive and reproduce, survival and reproductive success are variable among individuals in a population and lastly some traits differences are heritable.
The muscle cells are loaded with mitochondria to allow large amounts of ATP production while the macrophages have abundant lysosomes to digest the debris and dead organisms like bacteria.
Mitochondria are known as the powerhouse of a cell. This is because most of the ATP production used by various systems in their operation is produced by mitochondria. A chemical called NADH is produced in the mitochondrial matrix through the Krebs cycle. The enzymes embedded in the mitochondrial membrane use this chemical to produce Adenosine Triphosphate, generally known as ATP.
Macrophages are phagocytic white blood cells involved in engulfing and killing pathogens. They are involved in the innate immune response of the body. Lysosomes have specialized enzymes that can kill these pathogens.
Muscle cells need to contract or expand for which they require energy. Thus, they have abundant mitochondria. Whereas, the macrophages have abundant lysosomes to help them kill disease-causing pathogens like a virus or bacteria.
To know more about ATP production in mitochondria, refer to the following link:
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C. ATP synthase I promise you this is right :333333
