BSCI 207 Study Guide - Midterm Guide: Antimicrobial Resistance, Plastid, Prokaryote
17 Oct 2018
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Bsci 207, dr. bretton kent - exam #2. Tremendous variations in genes and metabolic processes. Not as needed for transport within a small cell. Simple 70s ribosomes less efficient at transcription. All genes either expressed or none at all. Metabolic complexity directly correlated to genome size. Smaller, circular pieces of dna not in nucleoid. Transduction- plasmids transferred between bacterium and virus. Ortholog- mutated member or paralog (duplicated) pair of genes. Extreme durability makes them resistant to medicine. Methanogens- created methane in early earth"s atmosphere. Uses antenna pigments get energy from different wavelengths. Each cell capable of regeneration and reaggregation (reformation of tissue) Large size is advantageous to an organism. Not all genes have to be expressed. Tagmosis- segments with similar functions grouped together for strong, regional response. Persistent radial symmetry for support and transport. Apical meristem- rapidly dividing cells on tip of shoot. Gametophyte (mini plant) produces gametes by mitosis. Sporophyte (most large plants) produces spores by meiosis.
