A bacterium coated by antibodies is a signal that a macrophage should endocytose (eat) it
a. true
b. false
Answer: a. true
Biology & Microbiology
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Transcription begins near a site in the DNA called the ________, while the terminator specifies the end of transcription.
A. promoter B. enhancer C. response element D. transcription unit E. regulatory sequence
Biology & Microbiology
The elasticity of demand is low for products which have saturated their markets
Indicate whether this statement is true or false.
Biology & Microbiology
The ________ are the male gonads.
A) scrotum B) testes C) urethra D) penis
Biology & Microbiology
During inhalation, the ____
a. external intercostal muscles relax b. pressure in the lungs is less than atmospheric pressure c. diaphragm moves upward and becomes more curved d. chest cavity volume decreases e. lung pressure increases
Biology & Microbiology