Which of these leukocytes are the most abundant and begin to phagocytize pathogens to reduce the spread of infection?
A) basophils B) eosinophils C) neutrophils D) monocytes
Answer: C
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When tobacco plants are damaged by herbivorous caterpillars, they release chemicals called jasmonates into the air that ________
a. signal nearby plants to synthesize bitter alkaloids b. kill the caterpillars over a period of several hours c. attract parasitic wasps that lay eggs in caterpillars d. appear to cause a decrease in the appetite of the caterpillars
The ________ bones are two small bones found at the corner of the eyes that have a duct system that drains tears from the eyes into the nasal chambers
A) lacrimal B) temporal C) occipital D) frontal
A protein is a ________ of amino acids
A) monomer B) polymer C) bilayer D) solution E) decomposition product
What is the natural function of restriction endonucleases?
a. research applications
b. DNA manipulation in vitro c. defense against viruses that infect bacteria d. regulating bacterial gene expression e. breaking phosphodiester bonds in mammalian DNA