All pathways of complement activation follow the same sequence after C3
Indicate whether this statement is true or false.
TRUE
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The genes of a gene family that consist of two or more homologous genes are called ___
A. Orthologs B. Paralogs C. Polylogs D. Homologs
In a fruit fly embryo, a homeotic gene Antp determines where legs grow. When the promoter of Antp is mutated, a fly ends up with legs growing out of its head in place of antennae. In this mutation
A. antennae grow where the legs would normally be found. B. Antp must be turned off in all of the fly cells. C. Antp must be turned on in the head. D. the Antp gene, and its transcription factor, and enhancer sequence are turned on in the head. E. the Antp enhancer sequence, or transcription factor, is not functional.
Which of these leukocytes are the most abundant and begin to phagocytize pathogens to reduce the spread of infection?
A) eosinophils B) monocytes C) basophils D) neutrophils
After the molecule shown here undergoes replication, what would be the result?
A) This strand will be twice as long. B) This molecule will consist of four twisted strands. C) Two new molecules will form, in addition to this original molecule. D) Two new molecules will form, each of which contains one strand from this molecule.