Which of the following antibodies would most likely be involved with the immune response against a microorganism entering the digestive or reproductive tract?

A) IgA
B) IgD
C) IgG
D) IgM
E) IgE


A

Biology & Microbiology

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If 14% of the nucleotides from a DNA molecule contain the base T, what percent will contain the base G?  

A.  14% B.  18% C.  28% D.  36% E.  72% Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain?   Gather Content · What do you already know about base-pairing?   Consider Possibilities · What other information is related to the question? Which information is most useful?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which statement is TRUE about Streptococcus pneumoniae and the lung infection it causes?

A) Streptococcus pneumoniae can spread from the focus of infection as a bacteremia. B) Penicillin and erythromycin are the "last chance" drugs for treatment of streptococcal pneumonia. C) Infection with any strain of encapsulated virulent Streptococcus pneumoniae provides long-lasting immunity to all encapsulated virulent strains. D) Streptococcal pneumonia is not as serious as most people think; if left untreated, it usually runs its course in about a week to ten days.

Biology & Microbiology

Describe the structure of a mitochondrion and relate to ATP production. What will be an ideal response?

Biology & Microbiology

Coliforms that cause opportunistic and nosocomial infections, except

What will be an ideal response?

Biology & Microbiology