Bio 121: Lab 1 & 2 RO's 63 Exam Questions And Answers

Bifidobacterium: Prokaryotic or Eukaryotic? Autotrophic or Heterotrophic? Unicellular, Colonial, or Multicellular? - ️️-Prokaryotic, Heterotrophic, Unicellular Bifidobacterium: Domain, Kingdom, Phylum, Common Name - ️️Bacteria, Bacteria, Actinobacteria, Yogurt Bacterium Bifidobacterium: Habitat - ️️Human Intestine Bifidobacterium: How is food/energy obtained? - ️️Extracellular digestion breaks down non-living organic material and absorb nutrients from it, uses food material that its host has eaten as its energy source Bifidobacterium: Sessile or motile? - ️️Sessile Bifidobacterium: Adaptations - ️️1. Thick Capsule coats their cell wall and protects them 2. Secretes enzymes into the human intestine which break down food into small particles which can then be absorbed by both the bacterium and human host 3. Probiotic bacterium, survives in digestive system and promotes growth of beneficial bacteria within the intestine Bifidobacterium: Friends - ️️Streptococcus, Lactobacillus Bifidobacterium: Phylum facts - Actinobacteria - ️️-Gram postive and have diverse roles in ecosystems -can be used for breaking down organic material within the soil making nutrients available to other organisms