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Chapter 22: Q. 12 (page 570)

Organisms most likely to be found in extreme environments are ________.

a. fungi

b. bacteria

c. viruses

d. archaea

Short Answer

Expert verified

The organisms most likely found in extreme environments are bacteria.

Step by step solution

01

Explanation

The prokaryotes which include the bacteria and archaea both have thick cell walls and hence they are able to resist extreme environments like high salt concentration, extreme hot or cold environments, etc. The most likely which will found in extreme environments are bacteria. Viruses are acellular with no cell wall and hence can't resist the external extreme environments. Fungi are again the organisms which may be found in extreme environments but most likely are bacteria.

02

Final answer

Hence, the correct option is 'b'.

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Most popular questions from this chapter

Mention three differences between bacteria and archaea.

Bioremediation includes _____.

a. the use of prokaryotes that can fix nitrogen
b. the use of prokaryotes to clean up pollutants
c. the use of prokaryotes as natural fertilizers
d. All of the above

Which of the following consist of prokaryotic cells?

a. bacteria and fungi

b. archaea and fungi

c. protists and animals

d. bacteria and archaea

Halophiles are organisms that require________.

a. a salt concentration of at least 0.2 M

b. high sugar concentration

c. the addition of halogens

d. all of the above

MRSA has emerged as a serious infectious disease, with the first case of methicillin-resistant S. aureus being detected in 1961. Why are medical professionals so concerned when antibiotics exist that can kill MRSA?

  1. MRSA can transfer methicillin-resistance to other bacteria.
  2. Patients are not treated with correct antibiotics rapidly enough to prevent serious illness.
  3. MRSA could acquire additional antibiotic resistance genes from other bacteria to become a 鈥渟uper bug.鈥�
  4. All of the above.
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