Which bacterial structures are important for adherence to surfaces?

A. endospores
B. cell walls
C. fimbriae
D. capsules
E. flagella


Answer:
C. fimbriae
E. flagella

Biology & Microbiology

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What contains both vector DNA and chromosomal DNA?

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Pyruvate is the end product of

a. glycolysis. b. acetyl-CoA formation. c. fermentation. d. the Krebs cycle. e. the citric acid cycle

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Which condition shows 100 percent penetrance?

a. sickle cell disease b. cystic fibrosis c. polydactyly d. camptodactyly e. eye color

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Choose the answer that corresponds with the correct matches between the phylogenetic tree type (1, 2, or 3) and the information it represents (i, ii, or iii):

1. cladograms 2. phylograms 3. chronograms i. a tree that has its branch tips aligned and indicates only the evolutionary relationships among the taxa shown ii. a tree in which the branch lengths represent actual time rather than the amount of evolu-tionary change iii. a tree in which evolutionary relationships and the amount of sequence change along each branch by using branches of different lengths a. (1-i), (2-ii), and (3-iii) c. (1-ii), (2-i), and (3-iii) b. (1-i), (2-iii), and (3-ii) d. (1-ii), (2-iii), and (3-i)

Biology & Microbiology