Simple sugars like glucose can be detected and measured using orcinol
a. True
b. False
a
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Postsynaptic potentials are a type of:
A) digital event B) action potential C) resting potential D) graded potential
Which of the following genera include bacteria with stalks?
A. Campylobacter B. Caulobacter C. Rhizobium D. Vibrio
Most of the oxygen in human blood is:
A) carried in the plasma membrane of red blood cells. B) dissolved in the plasma. C) carried in hemoglobin. D) carried on albumin.
Communities with a high level of bacterial diversity are found in many habitats including soil and aquatic environments. Recent studies indicate this diversity is crucial to the functioning of these communities. The same studies have also found that phage abundance plays a critical role in the maintenance of the bacterial diversity within these communities. What is the probable role of phages in this community? (Check all that apply.)
A) they act as facilitators B) they have a mutualistic relationship with the bacteria C) they parasitize the bacteria D) they have a commensal relationship with the bacteria E) they compete with the bacteria for space and nutrients F) they keep any one species of bacteria from becoming too abundant in the community