What type of immunity is NOT due to antibodies?

A) Innate immunity
B) Naturally acquired active immunity
C) Naturally acquired passive immunity
D) Artificially acquired active immunity
E) Artificially acquired passive immunity


Ans: A) Innate immunity

Biology & Microbiology

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________ is a neurotransmitter released at every neuromuscular junction (the junction of a motor neuron and a skeletal muscle cell), where it triggers contraction of voluntary (skeletal) muscles

Fill in the blank(s) with correct word

Biology & Microbiology

When you observe a lake that has been affected by acid deposition, you might expect to find

A) low levels of toxic metals and nutrients essential for the growth of biotic organisms. B) excess carbon that will contribute to global warming. C) high levels of dissolved sulfur dioxide. D) a clear lake with high levels of aluminum, mercury, and lead, but few fish. E) a murky lake with excess algal growth from the deposition of anthropogenic nitrogen.

Biology & Microbiology

Which type of virus is most likely to cause the immediate damage and destruction of an infected animal cell when it is released?

A. enveloped virus B. DNA virus C. RNA virus D. nonenveloped virus

Biology & Microbiology

The "dipstick" illustrated in Figure 17.3 is used in a(n) (immunodiffusion/immunochromatographic/ immunofluorescent) assay.

What will be an ideal response?

Biology & Microbiology