Which type of immunity is characterized by the production of receptors that will bind to specific antigens?
A. innate
B. adaptive
C. both adaptive and innate
D. neither adaptive or innate
Answer: B
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To study how genes have evolved, scientists compare the genome sequences of related organisms, a research approach
known as _____.
a. genome sequence determination b. genome annotation c. comparative genomics d. functional genomics e. proteomics
The dikaryotic stage of a fungal life cycle is described as ____
a. n b. n + n c. 2n + 2n d. 2n e. 2n + n
Which of the following is not a property of B cells?
A. They require antigen presented with MHC proteins. B. They have receptors called immunoglobulins. C. There are low numbers circulating in the blood. D. They mature in the bone marrow. E. They produce plasma cells and memory cells.
The figure below shows a case where the death of a haploid individual adds an addi-tional turn to Muller's ratchet. Could the ratchet be reset if all dark grey organisms died?
What will be an ideal response?