Answer:
cellular respiration increases if the temperature is warmer. The lower the temperature,the slower the rate of cellular respiration.the reason for this is enzymes which are present in cellular respiration process. ... This is because working cells can store energy in the body .
Explanation:
Along with anti-inflammatory effects, glucocorticoids also promote homeostasis in T lymphocytes.
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what are the role of glucocorticoid?</h3>
Glucocorticoids are steroid hormones have anti-inflammatory effects. as well as glucose homeostasis activity.
The hormones secreted from the cortex regulate glucose metabolism, synthesis in the adrenal cortex.
It promote gluconeogenesis in liver, but in skeletal muscle and white adipose tissue decrease glucose uptake, modulate the function of pancreatic α and β cells and help in to regulation of glucagon and insulin.
It also affect on glucose homeostasis to preserve plasma glucose for brain during stress.
Hence, glucocorticoids also promote homeostasis in T lymphocytes.
Learn more about glucocorticoids , here:
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The resistance of a given object depends primarily on two factors: What material it is made of, and its shape. For a given material, the resistance is inversely proportional to the cross-sectional area; for example, a thick copper wire has lower resistance than an otherwise-identical thin copper wire. Also, for a given material, the resistance is proportional to the length; for example, a long copper wire has higher resistance than an otherwise-identical short copper wire. The resistance R and conductance G of a conductor of uniform cross section, therefore, can be computed as
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where is the length of the conductor, measured in metres [m], A is the cross-sectional area of the conductor measured in square metres [m²], σ (sigma) is the electrical conductivity measured in siemens per meter (S·m−1), and ρ (rho) is the electrical resistivity (also called specific electrical resistance) of the material, measured in ohm-metres (Ω·m). The resistivity and conductivity are proportionality constants, and therefore depend only on the material the wire is made of, not the geometry of the wire. Resistivity and conductivity are reciprocals: . Resistivity is a measure of the material's ability to oppose electric current.
This formula is not exact, as it assumes the current density is totally uniform in the conductor, which is not always true in practical situations. However, this formula still provides a good approximation for long thin conductors such as wires.
Another situation for which this formula is not exact is with alternating current (AC), because the skin effect inhibits current flow near the center of the conductor. For this reason, the geometrical cross-section is different from the effective cross-section in which current actually flows, so resistance is higher than expected. Similarly, if two conductors near each other carry AC current, their resistances increase due to the proximity effect. At commercial power frequency, these effects are significant for large conductors carrying large currents, such as busbars in an electrical substation,[3] or large power cables carrying more than a few hundred amperes.
