Exam (elaborations)

Microbiology UTA 2460 – Final Exam Questions and Solutions

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Course
BIO 2460

Institution
BIO 2460

Which method often results in colonies developing down throughout the agar along with some colonies on the surface... pour plate Which of the following organisms shows the proper use of binomial nomenclature... Escherichia coli (italicized) The type of microscope in which you would see brightly i...

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microbiology uta 2460 final exam questions and s
which method often results in colonies developing
which of the following organisms shows the proper

Institution BIO 2460
Course BIO 2460

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Microbiology UTA 2460 – Final Exam
Questions and Solutions
Which method often results in colonies developing down throughout the agar along with
some colonies on the surface... ✅pour plate

Which of the following organisms shows the proper use of binomial nomenclature...
✅Escherichia coli (italicized)

The type of microscope in which you would see brightly illuminated specimens against a
black background is... ✅dark-field

6.5% NaCl broth favors the growth of Gram positive organisms, while inhibiting the
growth of Gram negative organisms, this media is... ✅selective

A pure culture contains... ✅only one identified species of microorganism

Which statement is true of all ions that are cations... ✅The ion has more protons than
electrons

Which of the following is not a polymer... ✅glucose

Koch's postulates are criteria used to establish that... ✅a specific microbe is the cause
of a specific disease

Which of the following is not a differential stain based on the information below...
✅methylene blue stain - one stain

You have a solution with a pH of 6. What is the hydroxide ion concentration [OH-]...
✅10^-8 M

Which of the following functional groups is mismatched to the organic compound in
which it is typically contained... ✅phosphate - carbohydrates

Which one is not a cause of infectious death worldwide... ✅Ebola

MSA agar favors the growth of Gram positive bacteria, while inhibiting the growth of
Gram negative bacteria. S. aureus produce yellow colonies when growing on MSA agar,
while S. epidermis grows pink. This agar is... ✅A (selective) & B (differential)

The five I's of studying microorganisms include all of the following except... ✅infection

, Using microbes to detoxify a site contaminated with heavy meatls is an example of...
✅bioremediation

Bacteria, archaea & eukaryotes arose... ✅2.9 billion years ago

Which choice below lists emerging diseases... ✅HIV, SARS, Lassa Fever

What type of bonds are formed by dehydration synthesis between adjacent amino
acids... ✅peptide

Hydrogen bonds... ✅result from attractive forces between molecules with polar
covalent bonds

Agar is a complex polysaccharide that comes from a... ✅red algae

Which of the following would have glycosidic bonds... ✅polysaccharides

One nucleotide contains one... ✅all of the choices are correct (pentose sugar,
phosphate, nitrogen base)

Which of the following is not a pyrimidne... ✅adenine

If a microbiologist is studying a specimen at a total magnification of 950X, what is the
magnifying power of the objective lens if the ocular lens is 10X... ✅95X

The atomic number of sulfur is 16. What is the bonding capacity of sulfur... ✅2

__ is the most infectious microbe caused through non-human-to-human transmission,
while __ is the most infectious microbe caused by human-to-human transmission...
✅malaria, measles

Bacteria that require speical growth factors and complex nutrients are termed...
✅fastidious

Ionic compounds... ✅are hydrophilic

__ magnifies the speciment to produce a real image of the specimen, while __
magnifies the speciment to produce the virtual image of the specimen... ✅objective
lens, ocular lens

An amino acid contains all of the following except a... ✅phosphate

The alpha (a) helix is a type of __ protein structure... ✅secondary

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