EXAM: MCB 2610 Exam 1|87 Questions and Answers
100% Solved
Microbiology CORRECT ANS-The study of microbes
Micro bio examines... CORRECT ANS-How microbes interact with humans and food and
how they can be used by humans
Prokaryotic cells CORRECT ANS-Lack a true membrane-delimited nucleus
Eukaryotic cells CORRECT ANS-Have a membrane enclosed nucleus
More complex morphologically
Carl Woese used ribosomal RNA to divide organisms into... CORRECT ANS-Domains:
Bacteria
Archaea
Eukarya
Describe Bacteria CORRECT ANS-Usually single-celled
Majority have cell walls with peptidoglycan (gram positive)
, EXAM: MCB 2610 Exam 1|87 Questions and Answers
100% Solved
Most lack a membrane bound nucleus
Everywhere, even extreme places
Come cause disease but most are beneficial
asexual reproduction
Describe Archaea CORRECT ANS-Distinguished from Bacteria by unique rRNA sequences
Lack peptidoglycan and have unique membrane lipids (gram negative)
Some have unusual metabolic characteristics
Extreme environments
asexual reproduction
Describe Eukarya - Eukaryotes CORRECT ANS-Generally larger than B and A
Plants, Animals
Microorganisms like protists - algae, protozoa, slime molds, water molds
Fungi - yeast (unicellular), molds (multicellular) - primarily decomposers
, EXAM: MCB 2610 Exam 1|87 Questions and Answers
100% Solved
Acellular Infectious agents CORRECT ANS-Viruses - smallest of all microbes, simple (consist
of proteins and nucleic acids), require a host cell to replicate
Virouds and virusoids - infectious agents composed of RNA
Prions - infectious proteins
Define Life CORRECT ANS-Metabolism
Growth
Reproduction
Genetic variation/evolution
Response/adaptation to environment
Homeostasis
Macromolecules necessary for life CORRECT ANS-Lipids, Proteins, Carbs, nucleic acids
Polypeptides CORRECT ANS-Proteins - many jobs - most important is enzyme as catalyst of
chemical reactions
100% Solved
Microbiology CORRECT ANS-The study of microbes
Micro bio examines... CORRECT ANS-How microbes interact with humans and food and
how they can be used by humans
Prokaryotic cells CORRECT ANS-Lack a true membrane-delimited nucleus
Eukaryotic cells CORRECT ANS-Have a membrane enclosed nucleus
More complex morphologically
Carl Woese used ribosomal RNA to divide organisms into... CORRECT ANS-Domains:
Bacteria
Archaea
Eukarya
Describe Bacteria CORRECT ANS-Usually single-celled
Majority have cell walls with peptidoglycan (gram positive)
, EXAM: MCB 2610 Exam 1|87 Questions and Answers
100% Solved
Most lack a membrane bound nucleus
Everywhere, even extreme places
Come cause disease but most are beneficial
asexual reproduction
Describe Archaea CORRECT ANS-Distinguished from Bacteria by unique rRNA sequences
Lack peptidoglycan and have unique membrane lipids (gram negative)
Some have unusual metabolic characteristics
Extreme environments
asexual reproduction
Describe Eukarya - Eukaryotes CORRECT ANS-Generally larger than B and A
Plants, Animals
Microorganisms like protists - algae, protozoa, slime molds, water molds
Fungi - yeast (unicellular), molds (multicellular) - primarily decomposers
, EXAM: MCB 2610 Exam 1|87 Questions and Answers
100% Solved
Acellular Infectious agents CORRECT ANS-Viruses - smallest of all microbes, simple (consist
of proteins and nucleic acids), require a host cell to replicate
Virouds and virusoids - infectious agents composed of RNA
Prions - infectious proteins
Define Life CORRECT ANS-Metabolism
Growth
Reproduction
Genetic variation/evolution
Response/adaptation to environment
Homeostasis
Macromolecules necessary for life CORRECT ANS-Lipids, Proteins, Carbs, nucleic acids
Polypeptides CORRECT ANS-Proteins - many jobs - most important is enzyme as catalyst of
chemical reactions
