Signal pathways have been conserved in a wide range of organisms.

a. true
b. false


Answer: a. true

Biology & Microbiology

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Which of the following is not a pyrimidine?

A. Thymine B. Uracil C. Adenine D. Cytosine

Biology & Microbiology

A smooth pattern of variation along a geographical gradient is referred to as a ____

a. ring species b. hybrid zone c. morphological species d. cline e. cluster of subspecies

Biology & Microbiology

At the complete end of cellular respiration, how many molecules of ATP are produced?

a. 15 ATP b. 26 ATP c. 38 ATP d. 34.ATP

Biology & Microbiology

A cell is infected with a virus carrying an oncogene sequence in its genome. What process may occur if the oncogene is expressed in the infected cell?

A) lysis B) neoplasia C) lysogeny D) latency E) both lysis and neoplasia

Biology & Microbiology