BIOLOGY 109- FINAL EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS A+ VERIFIED LATEST VERSION

BIOLOGY 109- FINAL EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS A+ VERIFIED LATEST VERSION 1.1) This polymer, composed of modified sugars cross-linked by short polypeptides, is much reduced in the cell walls of Gram-negative bacteria. - correct answers-Peptidoglycan 1.2) These small rings of independently replicating DNA molecules generally contain genes that benefit the survival of the organism, such as genes that confer antibiotic resistance. - correct answers-Plasmids 1.3) The movement of genes from one species of bacterium to another is: - correct answers-Horizontal gene transfer 1.4) Poisoned by oxygen: - correct answers-Obligate anaerobe 1.5) Obtains energy from light and needs only CO2 as a carbon source. - correct answers-Photoautotroph 1.6) Explosive blooms of this organism are responsible for the phenomenon known as red tide. - correct answers-Dinoflagellates 1.7) Members of this protistan clade are responsible for a range of diseases including African sleeping sickness. - correct answers-Kinetoplastids 1.8) A clade of unicellular photosynthetic protists with a unique glass-like wall that contains silicon dioxide. - correct answers-Diatoms