1. A microbiologist obtained two pure biological samples: one of a virus and the
other of a viroid. Unfortunately, the labels had been lost. The microbiologist felt
she could distinguish the two by analyzing for the presence of a single molecule.
Chapter 4 Possible Questions
1. Microbiologists use the _ technique to isolate pure
cultures of bacteria.
a. Streak plate
2. A bacterium that grows better in the presence of oxygen when it is available, but
can also grow if oxygen is absent, is called
Chapter 1 Possible Questions
1. Prior to the work of Louis Pasteur and others in the nineteenth century, many
people believed that organisms arose from nonliving matter. This concept was called
a. Biogenesis theory
2. The process of using microbes to dest
Chapter 3 Possible Questions
1. If your microscope has a 10X ocular lens and you are using the 40X objective lens,
what is the total magnification?
2. Which of the following statements about prokaryote structure is FALSE?
a. Few prokaryotes posses
1. When the total number of viable cells in a population decreases and cells die off at a constant
a. Bacteria Growth Curve: Death Phase
2. Stage curve in the growth curve during which cells divide at a constant rate; generation is
Spoon River College
QUIZ: NUR _130_ Course Title _SU16_
Student Name: _Jessi Starr_ Date:_06/10/16_ Due: _06/11/16_
Directions: Take this home and use any related materials to answer the questions. Return the completed quiz to the first th
Chapter 5 Possible Test Questions
1. If an antimicrobial agent it bactericidal,
a. Complete killing of bacteria occurs with its use.
2. Pasteurization is used in food processing to
a. Reduce the number of microorganisms that can cause spoilage.
Chapter 9 Possible Questions
1. DNA cutting enzymes that are naturally produced by bacteria to protect
themselves against phage infection are called
a. restriction enzymes.
2. Which of the following techniques allows molecular biologists to make millions
Study Game Test 3
1. A bacterial cell that requires an organic growth factor is called a/an
2. Which of the following mutagens causes thymine dimmers?
a. Ethidium bromide
b. Nitrous acid
Chapter 8 Possible Questions
1. Any change in the nucleotide sequence of a gene is called a
2. Barbara McClintock won the Nobel Prize for her discovery of
3. The transfer of
Chapter 10 Possible Questions
1. In modern taxonomy and systematic, prokaryotes are divided into two domains based primarily on which of the
b. Fermentation patterns
c. Metabolic similarities
d. Ribosomal RNA homology
Chapter 7 Possible Questions
1. For decades, the central dogma of genetics has been that each gene encodes one
d. Biochemical pathway.
e. Chromosome gene.
2. Which of the following statements about DNA is FALSE?
a. DNA is
1. A distinct thick gelatinous material that surrounds some microorganisms.
2. Movement of a cell toward or away from a certain chemical in the
3. A phospholipid bi-layer embedded with proteins that surround
Exam 1 Study Game
1. Which is not true of the cytoplasmic membrane?
a. It consists mainly of a fixed, static phospholipid bilayer
2. The 70S prokaryotic ribosomes consist of
a. A 50S and a 30S subunit
3. Which of the following bacteria lack a cell wall?
Disease Assignment 3
1. What is the causative agent of Rubeloa (measles)?
a. The measles virus
2. What is the type of causative agent that causes Rubeola (measles?)
3. What system is affected by Rubeloa (measles)?
a. The integument is affected as
EMB Lab Homework
1. What is the purpose of Eosin Methylene Blue Agar (EMB)?
a. Eosin methlene blue agar is an example of a medium that is both
selective and differential. The two dyes together- eosin and methylene
blue- make the medium selective by inhibi
Mannitol Salt Agar
1. What is the purpose of Mannitol Salt Agar?
a. Mannitol salt agar is an example of a medium that is both
selective and differential. This medium contains high
concentrations of salt, which makes the medium selective by
PEA: Phenylethyl Alcohol Agar
1. What is the purpose of the Phenylethyl Alcohol Agar (PEA)?
a. To isolate gram-positive bacteria from a mixture of positive and
2. How do you perform a Phenylethyl Alcohol Agar test?
a. Use one PEA plate and
Disease Assignment 5
1. What is the causative agent of Cutaneous Anthrax?
a. Cutaneous anthrax is an infection of the skin due to direct contact with
the bacteria Bacillus anthracis.
2. What is the type of causative agent that causes Cutaneous Anthrax?
Disease Assignment 6
1. What is the causative agent of head cold?
a. The cold is mainly caused by coronavirus or rhinovirus. The
human body can never build up resistance to all the viruses that
cause the common cold.
2. What is the type of causative agent
Disease Assignment 10
1. What is the causative agent of Mumps?
a. Mumps virus the causative agent of mumps, a well-known
childhood disease characterized by swelling of the parotid
glands, salivary glands, and other epithelial tissues causing high
Disease Assignment 9
1. What is the causative agent of Otitis media?
a. Streptococcus pneumoniae, Haemophilus influenzae and
Moraxella catarrhalis are the most frequently isolated pathogens
in patients with acute otitis media (AOM).
2. What is the type of
Exam 3 Homework
1. DNA is a double stranded molecule with a 5 end and a 3 end. What is the difference
between these two ends? Which end do new nucleotides bind too?
The 5 end has a phosphate group and the 3 end has a hydroxyl group. Nucleoties
Outline for Botulism
By Jen & Keara
1. What is the disease?
Humans and various animals such as fish and birds.
Found in soil. Spores are frequently recovered from agricultural
products like honey and vegetables.
1. Explain why smallpox was successfully eradicated, but rabies probably never will be.
Smallpox was only found in humans; rabies is found in numerous animal
reservoirs. We cannot reasonably eliminate rabies in all of the animal reservoirs
Chapter 1 notes
Microorganisms foundation for all life on earth
around 3.5 billion years earth 4.6 Microbiology born
Antony ban leeuwenhoek one of the first to look at
microorganisms he made curtains he made a
microscope to be able to look at his
Chapter 6 Possible Questions
1. Metabolic pathways in which large, energy-rich molecules are broken down into
smaller, lower energy products are called
2. A metabolic process that consists of a sequential series of reactions is called a/an