Why does temperature increase rate of photosynthesis?

Temperature – Increasing the temperature increases the rate of photosynthesis because more energy is provided. However, if the temperature is increased to above about 45°C, the enzymes that catalyse (speed-up) the reaction begin to denature (not work anymore).

How does temperature and light affect photosynthesis?

As light intensity increases, the rate of photosynthesis will increase as long as other factors are in adequate supply. If carbon dioxide and light levels are high, but temperature is low, increasing temperature will have the greatest effect on reaching a higher rate of photosynthesis.

How does temperature change photosynthesis experiment?

Place the tube in a beaker of fresh water. Place excess sodium bicarbonate (NaHCO3) in the water to give a constant saturated solution of CO2. Place the lamp (the only light source) at a fixed distance from the plant. Maintain the room temperature at 20°C.

Why does the rate of photosynthesis decrease at high temperature?

The rate of photosynthesis decreases at higher temperatures because at high temperatures the enzymes become denatured (destroy).

How does temperature affect photosynthesis and cellular respiration?

The increase in temperature enhances the rate of cellular respiration. It is due to the heat speeds up the reactions, means the kinetic energy is higher. It means reactions speed up and rate of cellular respiration increases. When temperature decreases, in order to conserve energy, cellular processes slow.

How does temperature affect chlorophyll?

The effect of temperature on colour degradation of green vegetables as well as the chlorophyll content as a factor that contributes to colour variation were studied. The results suggested that as the storage temperature increases so the chlorophyll degradation rate increases and so the colour degradation.

How does temperature affect the rate of photosynthesis quizlet?

The rate of photosynthesis increases as the temperature increases. However, the rate declines after the temperature reaches an optimal level (usually around 35 C). The rate of photosynthesis increases as light intensity increases. However, the rate will not increase beyond a certain level of light intensity.

Which plants respond to higher temperature and higher rate of photosynthesis?

Correct option: a C3 plants respond to higher temperature show higher photosynthetic rate while C4 plants have lower optimum temperature.

How does temperature affect the function of an enzyme?

As with many chemical reactions, the rate of an enzyme-catalysed reaction increases as the temperature increases. However, at high temperatures the rate decreases again because the enzyme becomes denatured and can no longer function. An optimum activity is reached at the enzyme’s optimum temperature. …

What temperature does chlorophyll break down?

Degradation of chlorophyll in broccoli juice occurred at temperatures exceeding 60 degrees C. Chemical analysis revealed that degradation of chlorophyll a and b to pheophytin a and b, respectively, followed first-order kinetics and that chlorophyll a was more heat sensitive than chlorophyll b.

At what temperature is chlorophyll destroyed?

Temperature range 60 to 90 °C. A marked disruption of trimeric LHCII, observed in leaves heated to 60 to 70 °C, was accompanied by a complete loss of PSII photochemical activity and by a pronounced release of chlorophyll molecules.

How does temperature affect photosynthesis and transpiration?

Photosynthesis and transpiration showed broad temperature optima (16-25 C). At higher temperatures, both the increased percentage inhibition of photosynthesis by O2 and the increased stomatal resistance limit photosynthesis, while increased stomatal resistance limits transpiration.

How does temperature influence the rate of photosynthesis?

The higher the temperature then typically the greater the rate of photosynthesis, photosynthesis is a chemical reaction and the rate of most chemical reactions increases with temperature. However, for photosynthesis at temperatures above 40°C the rate slows down.

What effect does weather have on the process of photosynthesis?

Photosythesis is affected by weather because during fall and the winter the chloraplasts in the cell start to die (loosing their green pigment). The chloraplast are the organelle that obtain the sunlight. When they stop obtaining the sunlight the process of photosynthesis stop along with it.

What does temperature have to do with photosynthesis?

At medium temperatures, between 50 and 68 degrees Fahrenheit, or 10 and 20 degrees Celsius, the photosynthetic enzymes work at their optimum levels, so photosynthesis rates gauge high. Depending on the particular plant in question, set the greenhouse thermostat to a temperature within this range for best results.

What is the optimum temperature for photosynthesis?

The optimum temperature for photosynthesis is 77°F (25°C). (Plants growing in a CO2 enriched environment thrive in slightly warmer conditions-82°F (28°C.)) Rates of photosynthesis drop off sharply if temperatures rise above these points.