BIO225 chapter 1
Which microbes do NOT have a true nucleus
Bacteria
Microbes are involved in the flow of which of the following A) toxins B) sunlight C) energy D) water
Energy
World Health Organization (WHO) estimates that there are or about how many infections of all types across the world every year?
10 billion
Prokaryotic organisms have been around for about how long?
3.5 billion years
Which photosynthetic Single celled or multicellular microorganisms are often found in aquatic environments
Algae
Which of the following are prokaryotic microorganisms (2 answers) •algae •archaea •viruses •yeasts •bacteria
Archaea Bacteria
Which of the following microorganisms represent prokaryotic cell types A) algae B) protists C) bacteria D) viruses
Bacteria
Which on the following microorganisms represents prokaryotic cell types? A) viruses B) protists C) bacteria D) algae
Bacteria
The major types of microorganisms or agents include which of the following Animals Bacteria Fungi Protozoa Plants Algae Viruses
Bacteria Fungi Protozoa Algae Viruses
The study of bacteria, single celled prokaryotic organisms is called
Bacteriology
Which of the following are major branches of study in microbiology Bacteriology Virology Mycology Zoology
Bacteriology Virology Mycology
What is a complex network of microbes and their secretions that form in most natural environments
Biofilm
Certain microbes can break down heavy metals and pesticides contaminating soil's by a process called what?
Bioremediation
Which cell type is genuinely larger in size A) eukaryotic cells B) prokaryotic cells C) archaeal cells
Eukaryotic cells
Which type of organism can derive all the nutrients and factors it requires from the environment in order to reproduce
Free-living organism
What are heterotrophic unicellular or multicellular eukaryotic organisms including yeasts, molds, and mushrooms
Fungi
Which were some of the first organisms genetically engineered? •fungi • helminths •bacteria • viruses
Fungi Bacteria
which TWO of the following groups of organisms arguably play the greatest role in biological decomposition? Mammals Fish Fungi Bacteria Plants
Fungi Bacteria
What technology involves the deliberate modification of the genetic structure of an organism to create novel products A) PCR B) genetic engineering C) DNA fingerprinting D) organic agriculture
Genetic engineering
Which of the following genera of microbes has been associated with gastric ulcers A) escherichia B) klebsiella C) helicobacter D) staphylococcus
Helicobacter
The term (blank) refers to a parasitic invertebrate such as a worm
Helminth
Which group of microorganisms include the parasitic worms
Helminths
(Blank) diseases, caused by microorganisms, or among the most common causes of death in much of the worlds population
Infectious
What is a specialized area of biology that deals with living things ordinarily too small to be seen without magnification
Microbiology
The unit of measurement for most bacterial cells is ________ and most viruses is _______
Micrometer; nanometers
The study of fungi
Mycology
Is any small, membrane bound component found inside of an eukaryotic cell
Organelles
A microbial is considered a(n) (blank) because it derives benefits from its host and harms its host in the process
Parasite
Microbiology has many branches of study, including (blank) which is the study of pathogenic Protozoa, helminth worms, and certain insects
Parasitology
What term is used for any infectious agent that causes disease, such as parasites, bacteria, and viruses
Pathogen
Microorganisms Account for about 50% of the earths (what), which is the process that convert light energy from the sun into organic molecules for food
Photosynthesis
What process uses suns energy to produce organic compounds accompanied by the formation of oxygen
Photosynthesis
It's a simple photosynthetic eukaryotic organisms, the algae; ranging from single-celled forms to large seaweeds
Phycology
Mad cow disease and Creutzfeld-Jakob disease are caused by which of the following A) protozoa B) viruses C) bacteria D) prions
Prions
proteinaceous infections particles are called what
Prions
They are the group of single celled eukaryotic organisms that lack a cell wall
Protozoa
Which of the following microorganisms are made up of eukaryotic cells • protozoans • bacteria • archaea • viruses • fungi • helminths
Protozoans Fungi Helminths
What is the study of Protozoa; a group of mostly single-celled eukaryotes
Protozoology
is the study of protozoa
Protozoology
(Blank) DNA Technology is used to switch genetic material from one organism to another in order to produce desirable proteins
Recombinant
A disease that has been known for hundreds of years that is increasing in occurrence is also known as which type of disease
Reemerging
Tuberculosis, influenza and malaria or older diseases that have been known for a long time, but they are now increasing an occurrence; diseases with this pattern of occurrence or specifically referred to as
Reemerging diseases
Viral particles are usually (bigger or smaller) than prokaryotic cells
Smaller
True or false: microbes can be found in the Antarctic
True
Microorganisms are (blank), meaning they are found in all natural habitats as well as in most artificial habitats created by humans
Ubiquitous
What is the study of viruses; noncellular particles that parasitize cells
Virology
What microbe is NOT cellular (acellular) and is composed of nucleic acid surrounded by a protein coat
Virus
Which of the following is NOT able to replicate on its own A) helminth B) viruses C) Protozoa D) archaea
Viruses
Diseases are those which are newly identified and becoming more prominent A) infectious B) communicable C) emerging
emerging
Which of the following bacteria is spread by water and food contaminated with cattle feces A) escherichia coli 0157:57 B) staphylococcus aureus C) Zika virus D) proteus vulgaris
escherichia coli 0157:57
Chlamydia infections has been linked to which of the following conditions A) lung cancer B) kidney cancer C) liver cancer D) female infertility
female infertility
Small, membrane-bound components found inside of a eukaryotic cell, such as mitochondria and Lysosomes, are referred to as which of the following? A) nuclei B) systems C) organelles D) organs
organelles
Which of the following derives benefits from its host and harms it's host in the process A) parasite B) microorganism C) symbiont D) commensals
parasite
Which of the following human diseases has ALMOST been eradicated? A) polio B) malaria C) smallpox D) cholera
polio
MRSA is a drug-resistant strain of which of the following bacteria A) staphylococcus schleiferi B) staphylococcus aureus C) streptococcus pyogenes D) staphylococcus epidermidis
staphylococcus aureus
Which term is NOT used to describe microscopic organisms
vertebrates
Which type of microorganism lacks a membrane bound nucleus and most membrane bound organelles A) prokaryotic B) Eukaryotic
prokaryotic
Which of the following human diseases HAVE been eradicated? A) measles B) smallpox C) rubella D) polio E) malaria
smallpox
The common cold and AIDS are caused by which type of microbe A) viruses B) fungi C) Protozoa D) bacteria
viruses
Which are the most common microbes on earth A) viruses B) algae C) bacteria D) fungi
viruses