Which of the following is true about the bacterium P. aeruginosa?
a. It contains many mitochondria because it actively divides.
b. It has a cell wall.
c. All its genetic material is contained in a circular plasmid.
d. It is a eukaryote
B
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What will be an ideal response?
Clostridium botulinum is a gram- ________ rod that produces an ________
A) negative / endotoxin B) negative / exotoxin C) positive endospore-forming / exotoxin D) positive endospore-forming / endotoxin
Which statement describes evidence in support of the endosymbiont theory?
A) The sequence of mitochondrial rRNA genes are most similar to the rRNA genes in purple bacteria. B) Mitochondrial and chloroplast DNA is organized into nucleosomes. C) Mitochondria and chloroplasts have genes that allow them to live independently. D) Mitochondria, chloroplasts, and cytoplasmic translation are inhibited by antibiotics such as chloramphenicol.
A solution having a pH of 8 is slightly acidic
__________________ Indicate whether the statement is true or false.