Microorganisms in abscesses often are not killed by antimicrobial agents because
A. the microorganisms stop dividing.
B. of the chemical nature of the pus.
C. of the lack of blood vessels.
D. of the high level of oxygenation.
E. the microorganisms stop dividing, of the chemical nature of the pus AND of the lack of blood vessels.
E.
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Which change in a gene's DNA sequence would have the least effect on the eventual amino acid sequence produced from it?
A. Deletion of two consecutive nucleotides B. Addition of one nucleotide C. Addition/deletion of three consecutive nucleotides D. Substitution of one nucleotide AND addition of 1 nucleotide
Which of the following is a basic component
of all of the others?
a. cells d. organism b. organs e. organ systems c. tissues
Most transpiration occurs through stomata. Indicate whether the statement is true or false
Which of the following cells or structures in flowering plants is a part of the gametophyte generation and therefore haploid?
a. A flower petal cell b. A cell from the filament c. A cell from the style d. A megaspore e. The endosperm