The compound ethylene oxide is used in
A. sanitization.
B. sterilization.
C. antisepsis.
D. degerming.
E. disinfection.
Answer: B
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In the extracellular matrix of animal cells, collagen and elastin fibers are embedded with this matrix.
A) glycoaminoglycans B) proteoglycans C) pectins D) lignins E) both choices A and B
Most genetic alterations performed by researchers aim to change the ____
a. genotype of the organism without a change in phenotype b. genotype of the organism, causing a change in phenotype c. phenotype of the organism without a change in genotype d. phenotype of the organism, causing a change in genotype e. proteome of the organism without a change in genotype
Science only addresses that which is _____
a. alive c. variable b. observable d. indisputable
The time interval from parent cell to two new daughter cells is called ________.
A. the death phase B. the lag time C. the culture time D. binary fission E. the generation time