UIUC MCB 100 Exam 1 Practice Questions and Solutions
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Course
MCB 100
Institution
MCB 100
B Which one of the following types of microorganism is characterized by having eukaryotic type cells that lack a cell wall?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast
D Which one of the following groups of microorganisms includes some examples that have genomic information stored as...
UIUC MCB 100 Exam 1 Practice
Questions and Solutions
B ✅Which one of the following types of microorganism is characterized by having
eukaryotic type cells that lack a cell wall?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast
D ✅Which one of the following groups of microorganisms includes some examples
that have genomic information stored as RNA rather than DNA?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast
E ✅Who (and when) is credited with first proving that a specific disease is caused by a
specific type of bacteria?
A. Aristotle (ca. 200 BC)
B. Girolamo Fracostoro (1546)
C. Antony Van Leeuwenhoek (1676)
D. Louis Pasteur (1861)
E. Robert Koch (1876)
E ✅The discovery that the Archaea are a group of prokaryotic microorganisms that are
distinctly different from the bacteria occurred in the _______________.
A. late 1500s
B. late 1600s
C. late 1700s
D. late 1800s
E. late 1900s
E ✅Which one of the following types of microorganism is characterized by having
eukaryotic cells, a cell wall that is composed of chitin, does not carry out photosynthesis
and is unicellular?
A. algae
, B. bacteria
C. protozoa
D. mold
E. yeast
D ✅Which one of the following statements about the sizes of microorganisms and the
components they are made of is false?
A. A typical virus is larger than a typical protein.
B. A typical bacterium is larger than a typical virus.
C. A typical bacterium is smaller than a typical eukaryotic cell.
D. A typical virus is larger than a typical protozoa.
E. A typical sugar molecule is smaller than a typical protein.
E ✅To satisfy Koch's postulates you must:
A. be able to identify the suspected microorganism.
B. be able to obtain a pure culture of the suspected microorganism.
C. produce the disease of interest in an experimentally inoculated host.
D. be able to detect the suspected microorganism in all patients that have the disease.
E. all of the above.
C ✅Which one of the following structures is a feature of all cellular life forms.
A. a nucleus that is surrounded by a membrane.
B. mitochondria.
C. transfer RNAs (tRNA)
D. cell wall
E. endoplasmic reticulum
A ✅Which one of the following is not an organic compound?
A. water
B. propane
C. RNA
D. dextrose
E. ethyl alcohol
D ✅Which one of the following organic functional groups is non-polar?
A. CH2OH-R
B. COH-R
C. COOH-R
D. CH3-R
E. CH2NH2-R
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