The nervous system structures are derived from ectoderm
Indicate whether the statement is true or false.
T
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How do nastic movements differ from tropisms?
A. Nastic movements are slower than tropisms. B. Nastic movements only occur in the dark. C. Tropisms are directional responses to directional stimuli; nastic movements are the same regardless of the direction of the stimulus. D. Nastic movements happen after a stimulus, tropisms happen during a stimulus. E. Nastic movements are not reversible.
In the system of binomial nomenclature, species are assigned a two-part name: the first part is the ____ and the second
part is the ____name.
a. species; genus b. genus; species c. species; family d. genus; family e. family; species
It would be possible for a Klinefelter (XXY) cat to have tortoise shell color. Indicate whether the statement is true or false
Please choose the statement that describes the basic difference between Type 3 hypersensitivity reactions and the other types of hypersensitivities.
A) Type 3 hypersensitivity reactions are also referred to as anaphylaxis. B) Type 3 hypersensitivity reactions are largely caused by IgE antibodies. C) Type 3 hypersensitivity reactions occur in response to soluble, not cell-associated antigens. D) Type 3 hypersensitivity reactions usually involve the response of cytotoxic T cells. E) Type 3 hypersensitivity reactions often result in extensive hemolysis.