There is a decrease in our ability to fight infection as we age. Which lymphoid organ may have a role in this decline?
What will be an ideal response?
thymus
Biology & Microbiology
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Transduction is the result of what "mistake" that viruses make during replication?
A. cutting up the bacterial chromosome B. cutting up the viral genome C. transcribing bacterial genes upon excision D. incorporating bacterial genes during excision E. inserting a viral DNA fragment into the bacterial chromosome
Biology & Microbiology
Bikonts are characterized by having
a. two identical flagella. b. two different flagella. c. two types of nuclei. d. cells walls of chitin. e. cell walls of silica.
Biology & Microbiology
Prolonged exposure to __________ can lead to hypothermia
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
What is the frequency of the b allele?
A) 0.6 B) 0.4 C) 0.36 D) 0.48 E) 0.16
Biology & Microbiology