Match the following items with the correct phrases.
_______1. The complete destruction of all living organisms, including cells, spores, and viruses.
_______2. The use of antiseptics is an example of a __________ technique.
_______3. Autoclaving for 15 to 20 minutes at 15 psi and 121°C is one method of accomplishing this.
_______4. The destruction or removal of pathogens by physical or chemical methods.
_______5. Heating to 60°C for 30 minutes is one method of accomplishing this; sufficient to kill pathogens and reduce total bacterial counts.
_______6. Heating in a 160°C oven for 2 hours would accomplish this.
_______7. The reduction of microbial populations to levels considered safe by public health standards.
a disinfection
b. pasteurization
c. sanitization
d. sterilization
1. d. sterilization
2. a disinfection
3. d. sterilization
4. a disinfection
5. b. pasteurization
6. d. sterilization
7. c. sanitization
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Explain why color-blindness is much more common in males than in femalesWhat will be an ideal response?
Impulses from a sense organ may differ in all of the following ways except in:
a. the total number of fibers transmitting messages. b. the frequency of the action potentials passing over a given fiber. c. the total number of action potentials passing over a given fiber. d. the specific types of action potential. e. the specific fibers carrying action potentials.
Though Archaea resemble members of the domain Bacteria structurally, they are actually more closely related to members of the domain ________.
Fill in the blank(s) with the appropriate word(s).
Chemicals produced by an individual that influence the behavior of members of the same species are called
A) hormones. B) pheromones. C) enzymes. D) steroids. E) stimuli.