Which of the following bacterial cell structures plays an important role in the creation of biofilms?
A) glycocalyces
B) flagella
C) fimbriae
D) pili
E) both fimbriae and glycocalyces
E
Bloom's Taxonomy: Comprehension
Section: External Structure of Bacterial Cells
Learning Outcome: 3.3, 3.7
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Typically, multiple interacting genes and the environment contribute to a complex quantitative trait, resulting in
A) discontinuous distribution of discrete phenotypes. B) continuous variation of the trait in a population. C) strict dominance of a single allele so that one phenotype is most common. D) continuous variation of the trait in a single individual.
Smog forms when pollutants in the air react with each other in the presence of sunlight and carbon dioxide
Indicate whether the statement is true or false
The region of noncoding DNA at the end of a chromosome and proteins that bind to it, protecting the chromosome from end damage.
A. Telomere B. Centromere C. Chromosomal furrow D. Cytokinetic region E. Chromosomal plate
The following are all functions of a typical plasma membrane except:
A. expression of cellular identity B. selective transport of certain molecules and material C. reception of information D. transport of water and bulk material E. Be permanent in composition