BIO 182 EXAM 3-NAU, EXAM 3, BIO182
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What are the 3 domains of life - ANSWER Archaea, Eukarya, Bacteria
Which domains of life are the most recent ancestors? - ANSWER Eukarya and Archaea
Which domain are extremophiles? - ANSWER Archaea
What are some common features between Domain Archaea and Eukarya - ANSWER histone proteins
ribsomal proteins
RNA polymerases
What type of bacteria is Cyanobacteria - ANSWER photosynthetic bacteria
ONLY prokaryote to generate O2
What is horizontal gene transfer? - ANSWER movement of one or more genes from one species to
another
What shape of bacteria is Cocci - ANSWER spherical
What shape of bacteria is Bacilli - ANSWER rod
What shape of bacteria is Vibrios - ANSWER comma-shaped
What shape of bacteria is Spirilli/Spirochaetes - ANSWER spiral
What are two structures of motility in bacteria - ANSWER flagella
,pili
How does bacteria reproduce - ANSWER binary fission
What is the energy and carbon source of photoautotrophs? - ANSWER light and CO2
What is the energy and carbon source of chemoautotroph? - ANSWER inorganic compounds and CO2
What is the energy and carbon source of photoheterotrophs? - ANSWER light and organic compounds
What is the energy and carbon source of chemoheterotrophic - ANSWER organic compounds x2
What are obligate aerobes - ANSWER require O2
What are facultative aerobes - ANSWER can use O2 or not
What are obligate anaerobes - ANSWER cannot tolerate O2
What are aerotolerant anaerobes - ANSWER does not use O2 but not poisoned by it
What is bioremediation - ANSWER the use of organisms to remove pollutants from water, air, and soil
What is a positive symbiotic relationships with bacteria and its host - ANSWER mutualism
What is a negative symbiotic relationships with bacteria and its host - ANSWER pathogens
What are protists - ANSWER eukaryotes that are not classified in the plant, animal, or fungal kingdoms
but closely related
, What are three major groups of protists - ANSWER algae
protozoa
fungus-like
What are the 4 types of nutrition for protists - ANSWER plagotrophy
osmotrophy
photoautotrophy
mixotrophy
Plagotrophy - ANSWER heterotrophs ingests tiny particles
Osmotrophy - ANSWER heterotrophs that rely on uptake of small organic molecules
Photoautotrophy - ANSWER photosynthetic
Mixotrophy - ANSWER able to use autotrophy and phagotrophy or osmotrophy depending on conditions
Zygotic Meiosis - ANSWER haploid dominant
Gametic Meiosis - ANSWER diploid dominant
Sporic Meiosis - ANSWER alternations of generations
Mode of nutrition for fungi - ANSWER absorptive heterotroph
What is absorptive heterotrophic - ANSWER get carbon from organic sources
hyphal tips releases enzymes
enzymatic breakdown of substrate
products diffuse back into hyphae
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What are the 3 domains of life - ANSWER Archaea, Eukarya, Bacteria
Which domains of life are the most recent ancestors? - ANSWER Eukarya and Archaea
Which domain are extremophiles? - ANSWER Archaea
What are some common features between Domain Archaea and Eukarya - ANSWER histone proteins
ribsomal proteins
RNA polymerases
What type of bacteria is Cyanobacteria - ANSWER photosynthetic bacteria
ONLY prokaryote to generate O2
What is horizontal gene transfer? - ANSWER movement of one or more genes from one species to
another
What shape of bacteria is Cocci - ANSWER spherical
What shape of bacteria is Bacilli - ANSWER rod
What shape of bacteria is Vibrios - ANSWER comma-shaped
What shape of bacteria is Spirilli/Spirochaetes - ANSWER spiral
What are two structures of motility in bacteria - ANSWER flagella
,pili
How does bacteria reproduce - ANSWER binary fission
What is the energy and carbon source of photoautotrophs? - ANSWER light and CO2
What is the energy and carbon source of chemoautotroph? - ANSWER inorganic compounds and CO2
What is the energy and carbon source of photoheterotrophs? - ANSWER light and organic compounds
What is the energy and carbon source of chemoheterotrophic - ANSWER organic compounds x2
What are obligate aerobes - ANSWER require O2
What are facultative aerobes - ANSWER can use O2 or not
What are obligate anaerobes - ANSWER cannot tolerate O2
What are aerotolerant anaerobes - ANSWER does not use O2 but not poisoned by it
What is bioremediation - ANSWER the use of organisms to remove pollutants from water, air, and soil
What is a positive symbiotic relationships with bacteria and its host - ANSWER mutualism
What is a negative symbiotic relationships with bacteria and its host - ANSWER pathogens
What are protists - ANSWER eukaryotes that are not classified in the plant, animal, or fungal kingdoms
but closely related
, What are three major groups of protists - ANSWER algae
protozoa
fungus-like
What are the 4 types of nutrition for protists - ANSWER plagotrophy
osmotrophy
photoautotrophy
mixotrophy
Plagotrophy - ANSWER heterotrophs ingests tiny particles
Osmotrophy - ANSWER heterotrophs that rely on uptake of small organic molecules
Photoautotrophy - ANSWER photosynthetic
Mixotrophy - ANSWER able to use autotrophy and phagotrophy or osmotrophy depending on conditions
Zygotic Meiosis - ANSWER haploid dominant
Gametic Meiosis - ANSWER diploid dominant
Sporic Meiosis - ANSWER alternations of generations
Mode of nutrition for fungi - ANSWER absorptive heterotroph
What is absorptive heterotrophic - ANSWER get carbon from organic sources
hyphal tips releases enzymes
enzymatic breakdown of substrate
products diffuse back into hyphae
