McGraw Hill Connect - Exam 1
Questions & Answers17
Human Microbiome - ANSWERS-The complete collection of microorganisms in the human
body's ecosystem. DOES NOT CAUSE DISEASE.
Bacteria and Archaea - ANSWERS-Belong to the Monera Kingdom when the old system was
being used
The analysis of _________ RNA, which is highly conserved among organisms, is a valuable
indicator of evolutionary relatedness. - ANSWERS-Ribosomal
Most general & specific levels in the hierarchy of classification - ANSWERS-Kingdom
Species
A pure chemical substance consisting of two or more elements is most correctly called a(n) -
ANSWERS-Compound
A __________ bond is a link formed when two or more atoms share, donate or accept
electrons. - ANSWERS-Chemical
A pure chemical substance consisting of two or more atoms of the same element is most
correctly called - ANSWERS-Molecule
What weak attractions that occur between molecules that have low levels of polarity? -
ANSWERS-Van Der Waals Forces
,Eukaryote - ANSWERS-A cell that contains a nucleus and membrane bound organelles
Prokaryote - ANSWERS-A unicellular organism that lacks a nucleus and membrane bound
organelles
Ubiquitous - ANSWERS-Present or existing everywhere
Photosynthesis - ANSWERS-- Conversion of light energy from the sun into chemical energy.
- Light fueled conversion of CO2 into organic material.
Anoxygenic Photosynthesis - ANSWERS-No oxygen produced in photosynthesis
Genetic Engineering - ANSWERS-Manipulation of genetic microbes, plants, and animals to
modify organisms
Recombinant DNA technology - ANSWERS-The transfer of genetic material from one organism
to another to deliberately alter the DNA and produce a specific product.
Pathogen - ANSWERS-- Infectious agent
- Causes disease or illness
Sterile - ANSWERS-Completely free of all life forms, including spores and viruses
Louis Pasteur - ANSWERS-- A French chemist, this man discovered that heat could kill bacteria
that otherwise spoiled liquids including milk, wine, and beer.
- Introduced the germ theory.
- Began pasteurizing milk to kill bacteria.
, - Contributed to the understanding of microbial role in wine, beer, and milk.
Robert Koch - ANSWERS-- Developed the culture plate method to identify pathogens.
- Verified the germ theory.
Six major groups of microorganisms - ANSWERS-- Bacteria
- Helminths (worms)
- Protozoa
- Fungi
- Algae
- Viruses ( can infect all of the above)
Helminth - ANSWERS-A parasitic worm (Ex. Tapeworm, Liver fluke, Ascarid, or Leech).
Immunology - ANSWERS-Study of host response to infection
Epidemiology - ANSWERS-- Branch of medical science concerned with the incidence,
distribution, and control of diseases that affect large numbers of people.
- Study of community health.
Geomicrobiology - ANSWERS-Study of microbes in the earth's crust
Biotechnology - ANSWERS-- A form of technology that uses living organisms, usually genes, to
modify products, to make or modify plants and animals, or to develop other microorganisms for
specific purposes.
- The use of microbes of their products for commercial or industrial purposes.
Questions & Answers17
Human Microbiome - ANSWERS-The complete collection of microorganisms in the human
body's ecosystem. DOES NOT CAUSE DISEASE.
Bacteria and Archaea - ANSWERS-Belong to the Monera Kingdom when the old system was
being used
The analysis of _________ RNA, which is highly conserved among organisms, is a valuable
indicator of evolutionary relatedness. - ANSWERS-Ribosomal
Most general & specific levels in the hierarchy of classification - ANSWERS-Kingdom
Species
A pure chemical substance consisting of two or more elements is most correctly called a(n) -
ANSWERS-Compound
A __________ bond is a link formed when two or more atoms share, donate or accept
electrons. - ANSWERS-Chemical
A pure chemical substance consisting of two or more atoms of the same element is most
correctly called - ANSWERS-Molecule
What weak attractions that occur between molecules that have low levels of polarity? -
ANSWERS-Van Der Waals Forces
,Eukaryote - ANSWERS-A cell that contains a nucleus and membrane bound organelles
Prokaryote - ANSWERS-A unicellular organism that lacks a nucleus and membrane bound
organelles
Ubiquitous - ANSWERS-Present or existing everywhere
Photosynthesis - ANSWERS-- Conversion of light energy from the sun into chemical energy.
- Light fueled conversion of CO2 into organic material.
Anoxygenic Photosynthesis - ANSWERS-No oxygen produced in photosynthesis
Genetic Engineering - ANSWERS-Manipulation of genetic microbes, plants, and animals to
modify organisms
Recombinant DNA technology - ANSWERS-The transfer of genetic material from one organism
to another to deliberately alter the DNA and produce a specific product.
Pathogen - ANSWERS-- Infectious agent
- Causes disease or illness
Sterile - ANSWERS-Completely free of all life forms, including spores and viruses
Louis Pasteur - ANSWERS-- A French chemist, this man discovered that heat could kill bacteria
that otherwise spoiled liquids including milk, wine, and beer.
- Introduced the germ theory.
- Began pasteurizing milk to kill bacteria.
, - Contributed to the understanding of microbial role in wine, beer, and milk.
Robert Koch - ANSWERS-- Developed the culture plate method to identify pathogens.
- Verified the germ theory.
Six major groups of microorganisms - ANSWERS-- Bacteria
- Helminths (worms)
- Protozoa
- Fungi
- Algae
- Viruses ( can infect all of the above)
Helminth - ANSWERS-A parasitic worm (Ex. Tapeworm, Liver fluke, Ascarid, or Leech).
Immunology - ANSWERS-Study of host response to infection
Epidemiology - ANSWERS-- Branch of medical science concerned with the incidence,
distribution, and control of diseases that affect large numbers of people.
- Study of community health.
Geomicrobiology - ANSWERS-Study of microbes in the earth's crust
Biotechnology - ANSWERS-- A form of technology that uses living organisms, usually genes, to
modify products, to make or modify plants and animals, or to develop other microorganisms for
specific purposes.
- The use of microbes of their products for commercial or industrial purposes.
