Which of the following is a specific defense mechanisms or barriers used by an animal?

a. acid secretions of the stomach


b. inflammation
c. antibodies
d. mucus in the respiratory tract
e. skin


c

Biology & Microbiology

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This is an example of _____

1.energy, the capacity to do work 2.activation energy supplied by CO2 3.the effect of temperature and pH on a reaction 4.an electron transfer chain

Biology & Microbiology

What might be an accurate albedo measure of the surface of a glacier?

A) 0.1 B) 9.0 C) 0 D) 0.9

Biology & Microbiology

Hodgkin's Lymphoma is signaled by a presence of ______, which requires a biopsy.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Refer to Table 8.2 The anticodon for valine is

A) GUU. B) CUU. C) CTT. D) CAA. E) GTA.

Biology & Microbiology