Neutrophils require ________to digest phagocytized microbes in______.
a) Antioxidants; phagolysosomes
b) Reactive oxygen species; phagosomes
c) Free Radicals; phagolysosomes
d) Reactive nitrogen species; lysosomes
Answer: c) Free Radicals; phagolysosomes
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Starting from the root of a phylogenetic tree, any node that is shown farther from the root than other nodes, means
A. the two species (or groups of species represented) at the farthest node diverged by sympatric speciation.
B. that only those species at the farthest node, from the root, are in a clade.
C. convergent evolution has selected for the species (or groups of species represented) to be similar.
D. the species (or groups represented) diverged most recently from a common ancestor.
E. the species (or groups of species represented) are in the outgroup.
Positive interference occurs when a crossover in one region of a chromosome reduces crossovers in nearby regions
Indicate whether the statement is true or false
Fill in the blanks to complete the following statements. ? ?Some people are ___________ of a disease and do not display any signs and symptoms of the disease
Fill in the blank(s) with correct word
Why are human testes in an external sac rather than in the abdominal cavity?
What will be an ideal response?