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QUESTION 9 Why are antibiotics inappropriate for treating the common cold? There are so many different strains, thus one drug will not be effective. Most people have developed resistance to antibiotics, so they cannot cure the cold. A virus causes the common cold, so antibiotics, which treat bacteria, are inappropriate. QUESTION 10 Hans Christian Gram developed a method called gram staining, which is used to differentiate: Bacteria from viruses Gram-negative and gram-positive bacteria An original versus mutant strain of bacteria Mature versus an immature bacterium QUESTION 11 Select the correct statement about microbes. They: Can metabolize nutrients, create, and excrete wastes. All have similar structures and ways of moving. Reproduce only if inside another organism's cell. Appeared in the environment about 100 years ago. QUESTION 12 Viruses, compared with bacteria, are very difficult to treat because: Very little research has been done on viral infections. Antibiotics have made people very resistant to viral infections. The viral infection lasts much longer than a bacterial infection. In order to kill the virus, the host cells are sacrificed as well.

          QUESTION 9
Why are antibiotics inappropriate for treating the common cold?
There are so many different strains, thus one drug will not be effective.
Most people have developed resistance to antibiotics, so they cannot cure the cold.
A virus causes the common cold, so antibiotics, which treat bacteria, are inappropriate.

QUESTION 10
Hans Christian Gram developed a method called gram staining, which is used to differentiate:
Bacteria from viruses
Gram-negative and gram-positive bacteria
An original versus mutant strain of bacteria
Mature versus an immature bacterium

QUESTION 11
Select the correct statement about microbes. They:
Can metabolize nutrients, create, and excrete wastes.
All have similar structures and ways of moving.
Reproduce only if inside another organism's cell.
Appeared in the environment about 100 years ago.

QUESTION 12
Viruses, compared with bacteria, are very difficult to treat because:
Very little research has been done on viral infections.
Antibiotics have made people very resistant to viral infections.
The viral infection lasts much longer than a bacterial infection.
In order to kill the virus, the host cells are sacrificed as well.

Added by Evelyn B.

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