Genetic manipulation of a microbe to remove one or more virulence factors is a method for producing a(n) ________ vaccine
A) attenuated
B) inactived
C) toxoid
D) combination
E) DNA
A
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The antigen-binding site of ALL antibodies form by interactions between the variable domains of the heavy and light chains
Indicate whether the statement is true or false.
Why don't corneal transplants (in the eye) provoke an immune response?
a. corneas are not cellular structures b. corneal cells secrete a chemical to trigger apoptosis in attacking lymphocytes c. lymphocytes recognize all corneas as "self" d. there are no lymphocytes in the eye e. corneal cells resemble lymphocytes
A virus with an icosahedral shape that has a surrounding lipid bilayer that facilitates infection is known as _____ virus.
a. a prolate b. a complex c. an icosahedral d. a helical e. an enveloped
Which molecules initially capture the energy of light and turn it into high energy electrons