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What the second step in the Polymerase chain reaction process?
The second step in the Polymerase chain reaction (PCR) process is annealing. During annealing, the temperature is lowered to allow the primers to bind to the DNA template strands. This facilitates the specific targeting of the region to be amplified.
How is the DNA able to reassociate accurately when it is lowered to room temperature?
DNA is able to reassociate accurately at room temperature due to its complementary base pairing. The hydrogen bonding between adenine and thymine (A-T) and cytosine and guanine (C-G) helps stabilize the DNA structure. This base pairing allows the DNA strands to align correctly when cooling down, leading to accurate reassociation.
Use collision theory to explain why reactions should occur more slowly at lower temperatures?
At lower temperatures, the kinetic energy of particles is lower, resulting in fewer collisions between reactant molecules. This reduces the frequency of effective collisions necessary for a reaction to occur. Additionally, the lower temperature decreases the likelihood of reactant molecules overcoming the activation energy barrier required for a successful reaction.
Can a cold shower give you a cold?
No, taking a cold shower will not give you a cold. Colds are caused by viruses, not by exposure to cold temperature. However, sudden temperature changes can temporarily affect your immune system, so it's possible that a cold shower could make you more susceptible to catching a cold if you were already exposed to the virus.
What is the scientific definition of hibernation?
Hibernation is a state of reduced metabolic activity and lowered body temperature that some animals enter in response to adverse environmental conditions such as extreme cold or food scarcity. During hibernation, animals conserve energy and remain in a dormant state until conditions improve.
What happens to the solubility of salts when temperature is lowered or raised?
When temperature is lowered, the solubility of most salts decreases because the solubility of solids generally decreases with decreasing temperature. Conversely, when temperature is raised, the solubility of most salts increases as the solubility of solids typically increases with increasing temperature.
What are some of the advanced symptoms of carbon monoxide poisoning?
Inability to execute voluntary movements accurately; collapse; lowered body temperature (hypothermia ); coma; convulsions; seriously low blood pressure; cardiac and respiratory failure; death.
When a star changes from blue to red what happens to the surface temperature?
The temperature is lowered.
What happens to the movement of molecules when their temperature is?
As the temperature is lowered, the movement of the molecules decreases.
When you move upward in the atmosphere what happens to the temperature?
When you move upward in the atmosphere the temperature get lowered.
What effect does it have on enzyme-regulated cellular metabolism if the temperature is lowered?
As temperature decreases, metabolic rate decreases...of course this is why the ability to control body temperature is so critical to survival. Whether an organism controls it's body temperature internally or externally is relevant only in terms of how successful temperature regulation improves an organism's ability to survive, reproduce and adapt.
When particles in a solid slow down what does it become?
The temperature is lowered.
What happens to the temperature and humidity in a cold front?
Temperature is lowered. Humidity is increased in a cold front.
What happens to the density of objects when the get heated?
Raising the temperature the density is lowered.
What expands most when the temperature is lowered water or helium or iron or wood?
Iron expands the least when the temperature is lowered, followed by wood and then water. Helium does not expand or contract significantly with changes in temperature due to its unique properties as a gas.
What is caused by cold exposure results in lowered internal body temperature?
Hypothermia.
What effect does solute have on the freezing points of the solution?
the temperature at which the solution freezes is lowered.
