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1. Low-power microscopes designed for
Stereomicroscopes.
observing fairly large objects such as
insects or worms are...
Blood
2. Which of the following sites of the human
body does not have a normal flora?
Linnaeus
3. The binominal system of nomenclature was
origi- nally developed by
Propionibacterium
4. Which of the following organisms is used shermanii
in the production of cheese?
5. The tool of choice to observe living Phase contrast Microscope
microorgan- isms is the
6. After filling the first shell, the outermost shell 8
of an atom can hold up to electrons.
7. A chemical bond in which electrons are Non polar covalent bond
equally shared is a(n)
8. When the solute concentration outside a Isotonic
cell is the same as the concentration inside
the cell, the solution is called .
9. Protons are part of the atomic nucleus
10. Isotopes are atoms with the same numbers of
protons but a ditterent
number of neu- trons.
11. Pili are also called fimbriae
12. plasmids
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Nonchromosomal DNA molecules found in a bac-
terial cell are
13. DNA replication occurs in which phase of phase
the cell cycle?
14. The transfer of genetic material during conjugation
direct cell-to-cell contact is called .
15. The intracellular fluid has a high concentration of potassium
16. Enzymes that remove functional groups lyases
from a substrate without adding water, or
that add func- tional groups to a double
bond, are called
Francis Crick
17. The central dogma concerning the flow of
infor- mation from genetic material was
first introduced by
Lysosomes
18. Which of the following cell organelles
contain di- gestive enzymes?
Microtubules
19. Which of the following structures is shaped
like a hollow cylinder made out of tubulin
proteins? Osmosis
20. Which of the following transport
mechanisms transports water across the Mesophiles
plasma membrane?
21. Microorganisms that show optimal growth
in moderate temperatures (between 25° C
and 40° C) are called
22. Staphylococci are facultative
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anaerobes. gram positive
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