Which of the following is a possible location for a bacterial adhesion?
A) fimbriae, flagella, and pili
B) pili
C) flagella
D) fimbriae
Ans: A) fimbriae, flagella, and pili
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Match each mechanism of horizontal gene transfer with its definition:
A. Transduction i. DNA transfer between two linked bacterial cells B. Transformation ii. bacteria picks up environmental DNA C. Conjugation iii. gene transfer via a bacteriophage
If both parents are "carriers" due to the presence of one copy of the Tay-Sachs allele, what are the odds that they would have a normal child?
a. 0 b. 25% c. 50% d. 75% e. 100%
DNA replication occurs in the 5' to 3' direction; that is, new nucleoside triphosphates are added to the 3' end
Indicate whether the statement is true or false
The epithelial lining of the small intestine is modified for what function?
A. protection B. absorption C. secretion D. removing debris E. excretion