Beggiatoa are ________.

A. obligate aerobes
B. microaerophiles
C. obligate anaerobes
D. facultative anaerobes


Answer: B

Biology & Microbiology

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Match the pathway with the characteristic or example.

A) fungi B) lysosome passage C) C4 plants D) carbon assimilation E) succulents F) nucleic acid replication G) C3 plants H) salvage pathway 1) Calvin cycle 2) glycolate pathway 3) Hatch-Slack cycle 4) crassulacean acid metabolism (CAM)

Biology & Microbiology

When pH levels in the blood get too low, chemical buffers are released that return blood pH back to normal levels

This is an example of ___.

a. negative feedback b. positive feedback c. ectothermal reactions d. sensory perception e. endothermal reactions

Biology & Microbiology

Which of the following are NOT components of the

appendicular skeleton? a. arm bones b. collarbones c. finger bones d. ribs e. leg bones

Biology & Microbiology

Which wavelengths of light are most likely to be absorbed by chlorophyll b? 

A. UV B. blue C. red D. infrared

Biology & Microbiology