Which of the following are NOT components
of the appendicular skeleton?
a. arm bones
b. collarbones
c. finger bones
d. ribs
e. leg bones
D
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Which of the following statements regarding hypersensitivity are true? (Check all that apply.)
_____ The acceptance of self cells is known as immunological tolerance. _____ Allergies are caused by IgG secretion in response to antigens. _____ Autoreactive B cells produce autoantibodies causing inflammation. _____ Itchy welts or hives could be called a local anaphylaxis. _____ Delayed hypersensitivity is mediated by TH cells and macrophages.
What did the researchers conclude from the data shown in the figure?
A. The size of larvae is dependent on treatment with the Bt toxin. B. Resistance to the Bt toxin is dominant. C. Resistance to the Bt toxin is recessive. D. The number of larvae is dependent on treatment with the Bt toxin. E. Resistance to the Bt toxin is not genetic.
CRISPR sequences occur naturally as
A) an antiviral immune system in bacteria. B) an antibacterial immune system in eukaryotes. C) an antiviral immune system in eukaryotes. D) a gene editing system in bacteria.
The process by which specific body tissues and organs form is ____
a. morphogenesis b. cleavage c. fertilization d. gastrulation e. gamete formation