TEST BANK FOR MICROBIOLOGY 1 LATEST UPDATED QUESTIONS AND ANSWERS REAL EXAM ALREADY GRADED A+

TEST BANK FOR MICROBIOLOGY 1 LATEST
UPDATED QUESTIONS AND ANSWERS REAL
EXAM ALREADY GRADED A+




Which of these is considered to be the smallest unit of
life?


a) the nucleus
b) the mitochondrion
c) a plasmid
d) the cell
e) a prion
ANSWER-d) The smallest unit of life is the cell.




The study of microbiology includes all of the following
EXCEPT _____ .

,a) plants
b) viruses
c) bacteria
d) fungi
e) algae
ANSWER-a) The study of microbiology includes all of the
following EXCEPT plants.




What percent of the dry weight of the cell is composed of
DNA?


a) 2 - 5
b) 12 -15
c) 25 - 30
d) 35 -40
e) 50 - 55

,ANSWER-a) 2-5 % of the dry weight of the cell is
composed of DNA




What are the three Domains of life?


a) Monera, Animals, and Plants
b) Bacteria, Archaea, and Eukarya
c) Prokaryote, Eukaryote, and Fungi
d) Animals, Plants, and Bacteria
e) Prokaryote, Eukaryote, Archaea
ANSWER-b) Bacteria, Achaea, and Eukarya are the three
Domains of life.




Which of the characteristics of life is not displayed by any
individual organism?


a) metabolism

, b) growth
c) reproduction
d) evolution
e) response
f) homeostasis
ANSWER-d) Evolution is NOT a characteristic of life
displayed by any individual organism.




Viruses are considered "nonliving" for all of the following
reasons EXCEPT that they:


a) need a host cell for replication.
b) are metabolically inert.
c) possess DNA that can evolve.
d) do not maintain internal homeostasis.
e) are not responsive to environmental changes.
ANSWER-c) Viruses are considered "nonliving" for all of
the following reasons EXCEPT that they possess DNA that
can evolve.