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Viruses may be classified: Prions are not: Cells walls in fungi are often made o

ID: 3478391 • Letter: V

Question

Viruses may be classified:

Prions are not:

Cells walls in fungi are often made of _____.

Opportunists can cause disease when:

An exception to Koch’s postulates would occur if:

With respect to metabolism, fungi are:

Which of the following explains how DNA tumor viruses may cause human cancers?

One class of Platyhelminth is the fluke.

Adhesins allow bacteria to exchange genetic information

Amino acid sequence comparisons are used to determine evolutionary relationships between bacteria.

In binomial nomenclature:

Base composition comparisons are used to determine evolutionary relationships between bacteria.

DNA sequence comparisons are used to determine evolutionary relationships between bacteria

Viruses are cellular in nature

Bacteriophage typing does not assist in determination of bacterial strains.

Viruses are referred to as obligate intracellular parasites because

Control of disease will always be hampered by the emergence of new virulent pathogens.

A disturbance of the normal state of body health is called:

contamination

Organisms that obtain nutrients from decaying matter are called _____.

lithophytes

as plus (sense) RNA strand or minus (antisense) RNA strand.

Explanation / Answer

Viruses may be classified by all the criteria mentioned in these choices.

Prions are not affected by radiation that would damage a virus

Cells walls in fungi are often made of chitin

Opportunists can cause disease when all of these

An exception to Koch’s postulates would occur if several pathogens caused the same disease. a pathogen could not be grown in a pure culture

With respect to metabolism, fungi are chemoheterotrophs.

Which of the following explains how DNA tumor viruses may cause human cancers? viral proteins block the effect of tumor-suppressor genes which prevent uncontrolled cell division

One class of Platyhelminth is the fluke. True

Adhesins allow bacteria to exchange genetic information. True