__________ are antibodies that activate the complement system
a. IgG and IgM
b. IgA and IgD
c. IgD and IgG
d. IgE and IgM
e. IgA and IgE
A
Biology & Microbiology
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On which portion of the visual system is the image upside down and backwards?
a. cornea b. lens c. retina d. occipital lobe e. visual cortex
Biology & Microbiology
A remora feeds on the scraps that escape from a shark's mouth while feeding. It has no clear positive or negative impact on the shark. This is an example of
A) competition. B) commensalism. C) amensalism. D) neutral.
Biology & Microbiology
Which of the following events concerning a response to a stimulus comes first?
a. transmission b. reception c. action by effectors d. involvement of the brain and spinal cord e. integration
Biology & Microbiology
Compare and contrast passive and active transport mechanisms, and give an example of each
What will be an ideal response?
Biology & Microbiology