In which type of bacteria is the outermost layer of the cell a thick wall of peptidoglycan?
A. Proteobacteria
B. Cyanobacteria
C. Gram-positive bacteria
D. Gram-negative bacteria
E. Chlamydias
Answer: C
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An individual is constipated. They take magnesium salts to help loosen the stool. Why does this work? A. Water moves from the intestines to the blood because the blood is hypertonic B. Water moves from the intestines to the blood because the blood is hypotonic
C. Water moves from the blood to the intestines because the blood is hypertonic D. Water moves from the blood to the intestines because the blood is hypotonic.
Can you explain any differences in average spot number associated with the different type of predators? a. There should be no difference in selective pressure from killifish versus cichlids. b. Cichlids are apparently more dangerous as predators to guppies, and thus canbe expected to exert a stronger selective pressure affecting spot number
c. Killifish are the more dangerous predator to guppies and thus they would bemore likely to exert the stronger selective pressure.
________ is marked by individuals who are primarily oriented toward their own independence and achievement.
Fill in the blank(s) with the appropriate word(s).
Physical and chemical antimicrobial agents can target all but which of the following?
A) Protein function B) Cell membrane integrity C) DNA replication D) Capsule formation E) Cell wall synthesis