One function of antibodies is to ________
A) deactivate defensive proteins
B) stimulate the production of antigens
C) phagocytose invading bacteria
D) clump invader cells
Answer: D) clump invader cells
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The binding of arabinose to the AraC protein allows it to form a loop in the DNA upstream of the ara operon promoter.
Answer the following statement true (T) or false (F)
Alternation of generations means
A. One phase of the life cycle takes place on land and the other in water. B. One phase of the life cycle is photosynthetic and the other is heterotrophic. C. One phase of the life cycle is diploid and the other is haploid. D. One phase of the life cycle is unicellular and the other is multicellular. E. One phase of the life cycle is motile and the other is stationary.
The horizontal platform that supports the microscope slide is the
a) stage b) mechanical stage c) mechanical stage control d) none of the above
A transgenic animal is an animal
A) that is the first of its kind to bear a particular allele. B) in which a genetic defect has been corrected using recombinant DNA therapy. C) containing a gene from another organism, typically of another species. D) containing genes from three or more species.