Which of the following cells can use nonphagocytic means to kill bacteria?
A) eosinophils
B) macrophages
C) neutrophils
D) natural killer cells
E) both eosinophils and neutrophils
E
Biology & Microbiology
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When a gene transcription occurs, which of the following is produced?
a. more DNA b. protein or polypeptide sequences c. messenger RNA d. enzymes e. genetic defects
Biology & Microbiology
________ is the triskelion molecule that forms the coats on vesicles associated with receptor-mediated endocytosis
Fill in the blank with correct word.
Biology & Microbiology
The meiotic cell cycle involves two cell divisions but only one DNA replication
Indicate whether the statement is true or false
Biology & Microbiology
If a gene expresses itself, but not equally in all individuals that have it, there is a difference in
A. expressivity. B. penetrance. C. dominance. D. acquired traits.
Biology & Microbiology