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Name three cellular components in metabolism that are influenced by temperature changes?
Enzymes: Temperature changes can affect the activity and efficiency of enzymes, impacting metabolic reactions. Membranes: Temperature changes can alter membrane fluidity, affecting the transport of molecules across the cell membrane and disrupting metabolic processes. Mitochondria: Temperature changes can impact mitochondrial function, affecting energy production through oxidative phosphorylation and overall metabolic activity within the cell.
Is temperature a factor that affects enzyme activity?
Yes, temperature is a critical factor that affects enzyme activity. Generally, enzymes work within an optimal temperature range, beyond which they can become denatured and lose their function. Changes in temperature can alter the rate of enzyme-catalyzed reactions.
What are 3 factors which can influence the activity of an enzyme?
Three factors that can influence the activity of an enzyme are temperature, pH, and substrate concentration. Changes in these factors can alter the enzyme's shape and affect its ability to catalyze reactions effectively.
What conclusion can be drawn about the action of the enzymes as the temperature increase?
enzyme A becomes less effective earlier than enzyme B enzyme b stays effective at higher temperatures than enzyme a
Some factors that may influence enzyme activity?
A low temperature can slow down enzyme activity and high temperatures can denature an enzyme making it unusable. pH levels also affect enzyme activity. Every cell has an ideal temperature and pH
Changes in pH or temperature decrease enzyme activity because bonds break and the enzyme returns to its tertiary structure?
Changes in pH or temperature can disrupt the interactions that maintain the enzyme's specific shape, leading to denaturation and loss of enzyme activity. This is because enzymes are sensitive to changes in their environment, and alterations in pH or temperature can affect the enzyme's active site conformation, preventing it from binding to the substrate effectively.
What are the changes that increases pressure?
- a decrease in volume- the increase of temperature
The speed of the particles in a substance change when what changes?
electrons
What does temperature decrease on?
Temperature decrease is often associated with the slowing down of molecular movement in a substance. This can lead to changes in physical states, such as the solidification of a liquid or the condensation of a gas. Temperature decrease can also affect chemical reactions by decreasing reaction rates.
The process of rocks getting worn and breaking into pieces is known as?
The process of rocks getting worn and breaking into pieces is known as weathering. This can be caused by various factors such as water, wind, temperature changes, and biological activity.
What happens to volume during phase changes?
Volume increases with increase in temperature, and decreases with decrease in temperature.
When the body temperature rises a center in the brain initiates physiological changes decrease the body temperature. this is an example of?
Negative Feedback
What is the relationship between endothermic reactions and temperature changes?
Endothermic reactions absorb heat from their surroundings, causing a decrease in temperature.
How would you describe the changes that happened to the material when cooled?
Changes in physical properties: cooling is temperature decrease caused by heat exchange
Which changes would changes would correspond to a decrease in a star's absolute brightness?
A decrease in a star's absolute brightness could be caused by the star moving farther away from Earth, interstellar dust blocking some of its light, or a decrease in the star's temperature. All of these factors would result in less light reaching Earth, causing a decrease in the star's apparent brightness.
What do chemical bonds have to do with a temperature change?
Chemical bonds store energy, and breaking or forming these bonds can either release or absorb energy, which can lead to a temperature change. When bonds are formed, energy is released, resulting in an exothermic reaction that can increase the temperature of the surroundings. Conversely, breaking bonds requires energy input, resulting in an endothermic reaction that can decrease the temperature of the surroundings.
An activity which changes the temperature to more than 100 degrees Fahrenheit?
Go to the beach
