What kind of environment is needed for a tissue culture to be successful?
What will be an ideal response?
Tissue culture requires an aseptic environment. Aseptic means sterile or free from microorganisms.
This kind of environment must be maintained for tissue culture to be successful.
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What quality tool is used to indicate relationships between two variables or pairs of data?
a. histogram b. scatter plots c. pareto d. SPC chart
When a certain glaze is applied to a ceramic surface, the probability is 5% that there will be discoloration, 20% that there will be a crack, and 23% that there will be either discoloration or a crack, or both. Let X = 1 if there is discoloration, and let X = 0 otherwise. Let Y = 1 if there is a crack, and let Y = 0 otherwise. Let Z = 1 if there is either discoloration or a crack, or both, and let Z = 0 otherwise.
a. Let 
denote the success probability for X. Find .
b. Let 
denote the success probability for Y. Find .
c. Let 
denote the success probability for Z. Find .
d. Is it possible for both X and Y to equal 1?
e. Does 
?
f. Does Z = X + Y? Explain.
Which compressor type draws refrigerant gas in through the inlet port into voids created by turning rotors?
A) A screw compressor B) A reciprocating compressor C) A rotary compressor D) A scroll compressor
A "lead" is one of the terms used for ____.
A. rack and pinion gears B. worm gears C. sleeve bearings D. hypoid gears E. none of the above