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