BIO 182 EXAM 3-NAU, EXAM 3,
BIO182 QUESTIONS AND ANSWERS
What are the 3 domains of life - Correct Answers -Archaea, Eukarya, Bacteria
Which domains of life are the most recent ancestors? - Correct Answers -Eukarya and
Archaea
Which domain are extremophiles? - Correct Answers -Archaea
What are some common features between Domain Archaea and Eukarya - Correct
Answers -histone proteins
ribsomal proteins
RNA polymerases
What type of bacteria is Cyanobacteria - Correct Answers -photosynthetic bacteria
ONLY prokaryote to generate O2
What is horizontal gene transfer? - Correct Answers -movement of one or more genes
from one species to another
What shape of bacteria is Cocci - Correct Answers -spherical
What shape of bacteria is Bacilli - Correct Answers -rod
What shape of bacteria is Vibrios - Correct Answers -comma-shaped
What shape of bacteria is Spirilli/Spirochaetes - Correct Answers -spiral
What are two structures of motility in bacteria - Correct Answers -flagella
pili
How does bacteria reproduce - Correct Answers -binary fission
What is the energy and carbon source of photoautotrophs? - Correct Answers -light and
CO2
What is the energy and carbon source of chemoautotroph? - Correct Answers -
inorganic compounds and CO2
,What is the energy and carbon source of photoheterotrophs? - Correct Answers -light
and organic compounds
What is the energy and carbon source of chemoheterotrophic - Correct Answers -
organic compounds x2
What are obligate aerobes - Correct Answers -require O2
What are facultative aerobes - Correct Answers -can use O2 or not
What are obligate anaerobes - Correct Answers -cannot tolerate O2
What are aerotolerant anaerobes - Correct Answers -does not use O2 but not poisoned
by it
What is bioremediation - Correct Answers -the use of organisms to remove pollutants
from water, air, and soil
What is a positive symbiotic relationships with bacteria and its host - Correct Answers -
mutualism
What is a negative symbiotic relationships with bacteria and its host - Correct Answers -
pathogens
What are protists - Correct Answers -eukaryotes that are not classified in the plant,
animal, or fungal kingdoms but closely related
What are three major groups of protists - Correct Answers -algae
protozoa
fungus-like
What are the 4 types of nutrition for protists - Correct Answers -plagotrophy
osmotrophy
photoautotrophy
mixotrophy
Plagotrophy - Correct Answers -heterotrophs ingests tiny particles
Osmotrophy - Correct Answers -heterotrophs that rely on uptake of small organic
molecules
Photoautotrophy - Correct Answers -photosynthetic
Mixotrophy - Correct Answers -able to use autotrophy and phagotrophy or osmotrophy
depending on conditions
, Zygotic Meiosis - Correct Answers -haploid dominant
Gametic Meiosis - Correct Answers -diploid dominant
Sporic Meiosis - Correct Answers -alternations of generations
Mode of nutrition for fungi - Correct Answers -absorptive heterotroph
What is absorptive heterotrophic - Correct Answers -get carbon from organic sources
hyphal tips releases enzymes
enzymatic breakdown of substrate
products diffuse back into hyphae
Septate - Correct Answers -cross wall divide cells of mycellium
Aseptate - Correct Answers -not partioned into smaller cells
nuclei divide without cytokinesis
What are the cell walls of fungi made of? - Correct Answers -Chitin
Reproduction structure of fungi - Correct Answers -sporangium
What is Mycorrhizal fungi - Correct Answers -mutualism with fungi and roots
increases roots ability to take up water and nutrients
What is the function of mycorrhizal fungi - Correct Answers -provide protection
fungi receives carbs and vitamins
Traits of Ectomycorrhizae (EM) - Correct Answers -grows externally
5000 species
woody
basidiomycetes and some ascomycetes
Traits of Arbuscular Mycorrhizae (AM) - Correct Answers -grow within the cells
70% of all plant species
herbaceous
What are lichen? - Correct Answers -a symbiotic relationship between algae and fungi
What are the 4 phyla of fungi - Correct Answers -chytrids
zygomycetes
ascomycetes
basidiomycetes
phylum annelida - Correct Answers -ring segments separated by a septum
BIO182 QUESTIONS AND ANSWERS
What are the 3 domains of life - Correct Answers -Archaea, Eukarya, Bacteria
Which domains of life are the most recent ancestors? - Correct Answers -Eukarya and
Archaea
Which domain are extremophiles? - Correct Answers -Archaea
What are some common features between Domain Archaea and Eukarya - Correct
Answers -histone proteins
ribsomal proteins
RNA polymerases
What type of bacteria is Cyanobacteria - Correct Answers -photosynthetic bacteria
ONLY prokaryote to generate O2
What is horizontal gene transfer? - Correct Answers -movement of one or more genes
from one species to another
What shape of bacteria is Cocci - Correct Answers -spherical
What shape of bacteria is Bacilli - Correct Answers -rod
What shape of bacteria is Vibrios - Correct Answers -comma-shaped
What shape of bacteria is Spirilli/Spirochaetes - Correct Answers -spiral
What are two structures of motility in bacteria - Correct Answers -flagella
pili
How does bacteria reproduce - Correct Answers -binary fission
What is the energy and carbon source of photoautotrophs? - Correct Answers -light and
CO2
What is the energy and carbon source of chemoautotroph? - Correct Answers -
inorganic compounds and CO2
,What is the energy and carbon source of photoheterotrophs? - Correct Answers -light
and organic compounds
What is the energy and carbon source of chemoheterotrophic - Correct Answers -
organic compounds x2
What are obligate aerobes - Correct Answers -require O2
What are facultative aerobes - Correct Answers -can use O2 or not
What are obligate anaerobes - Correct Answers -cannot tolerate O2
What are aerotolerant anaerobes - Correct Answers -does not use O2 but not poisoned
by it
What is bioremediation - Correct Answers -the use of organisms to remove pollutants
from water, air, and soil
What is a positive symbiotic relationships with bacteria and its host - Correct Answers -
mutualism
What is a negative symbiotic relationships with bacteria and its host - Correct Answers -
pathogens
What are protists - Correct Answers -eukaryotes that are not classified in the plant,
animal, or fungal kingdoms but closely related
What are three major groups of protists - Correct Answers -algae
protozoa
fungus-like
What are the 4 types of nutrition for protists - Correct Answers -plagotrophy
osmotrophy
photoautotrophy
mixotrophy
Plagotrophy - Correct Answers -heterotrophs ingests tiny particles
Osmotrophy - Correct Answers -heterotrophs that rely on uptake of small organic
molecules
Photoautotrophy - Correct Answers -photosynthetic
Mixotrophy - Correct Answers -able to use autotrophy and phagotrophy or osmotrophy
depending on conditions
, Zygotic Meiosis - Correct Answers -haploid dominant
Gametic Meiosis - Correct Answers -diploid dominant
Sporic Meiosis - Correct Answers -alternations of generations
Mode of nutrition for fungi - Correct Answers -absorptive heterotroph
What is absorptive heterotrophic - Correct Answers -get carbon from organic sources
hyphal tips releases enzymes
enzymatic breakdown of substrate
products diffuse back into hyphae
Septate - Correct Answers -cross wall divide cells of mycellium
Aseptate - Correct Answers -not partioned into smaller cells
nuclei divide without cytokinesis
What are the cell walls of fungi made of? - Correct Answers -Chitin
Reproduction structure of fungi - Correct Answers -sporangium
What is Mycorrhizal fungi - Correct Answers -mutualism with fungi and roots
increases roots ability to take up water and nutrients
What is the function of mycorrhizal fungi - Correct Answers -provide protection
fungi receives carbs and vitamins
Traits of Ectomycorrhizae (EM) - Correct Answers -grows externally
5000 species
woody
basidiomycetes and some ascomycetes
Traits of Arbuscular Mycorrhizae (AM) - Correct Answers -grow within the cells
70% of all plant species
herbaceous
What are lichen? - Correct Answers -a symbiotic relationship between algae and fungi
What are the 4 phyla of fungi - Correct Answers -chytrids
zygomycetes
ascomycetes
basidiomycetes
phylum annelida - Correct Answers -ring segments separated by a septum
