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Know some basic points of physical control agents, chemical control agents, and mechanical control agents (why are they regarded as such?).What is a bacteriostat and bacteriocide/germicide?Understand the "degree" of resistance from spores to vegetative cells.Know the terms sterilization, disinfect, sanitization, degermination, and antisepsis.Be familiar with the factors that can influence the effectiveness of a cleaning agent.What are the four "modes of action" of control agents and name one agent for each mode?Know the difference in action of moist heat and dry heat.Describe briefly steam and pressure (autoclave), tyndilization, pasteurization, and boiling water.What is ionization radiation and give some examples?What is an example of non-ionization radiation?What is the mode of action for filtration?How do the following chemical control agents work?Halogens - disrupt sulfhydryl groups
Phenolics - disrupts cell walls
Peroxide - free-radical formation
Degergents & Soaps - disrupts cell membranes
Heavy metals - disrupts enzyme function/inactivates proteins
Aldehydes - cross links proteins/inactivates proteins
Gases - alters DNA
In our experiment, we had 2.0 mM solution and we diluted different volumes of it into sodium carbonate before reading in the spec. These were our dilutions.
What are the underlying mechanisms that help assist a species to originate using sympatric speciation although they are not reproductively isolated like in allopatric speciation.Diversity within species that is using sympatric speciation.
The concept of vitalism is based on the belief in a life force outside the jurisdiction of physical and chemical laws. According to this belief, organic compounds are able to arise only within living organisms. Which did the most to refute the concep..
What would be the effect on blood pressure and phsiological basis of a blow to the head that damages the vasomotor center.
Make a diagram of a cell (2n=10) at mitotic metaphase. Demonstrate the cell membrane, the spindle, and each of the Chromosomes as they are aligned on the metaphase plate
In turtles, brown shells and the red legs are most prevalent forms of the traits. Occasionally, green shells and yellow legs are examined.
How many chromosomes must be present
Determine which of the following statements is accurate regarding the evolution of drug resistance in a virus?
Animals always want to get the most from their resources by increasing the surface area throughout their organ systems. Please cite five examples and how it does this.
What other diseases are thought to be caused by the point mutations? What do point mutations do in those diseases.
What intracellular messenger is primary regulator of adaptation of photoreceptors?What Intracellular second messenger is primary regualator.
Which type of pressure is responsible to maintain the erect position of a plant? turgor pressure Osmotic pressure Diffusion pressure
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