Biology, 20.02.2020 20:28, drandbone92
Cultures of a bacterial species were incubated on the shelf of a refrigerator (5 C), out on a lab bench top (22 C), on the shelf of a 37 C incubator, and on the shelf of a 50 C incubator. After incubation, there was no growth at 37 C and 50 C, slight growth in the refrigerator, and abundant growth on the lab bench top. What term could be used for this species?
A) halophile
B) mesophile
C) anaerobe
D) psychrotroph
Answers: 3
Biology, 21.06.2019 20:40, jaycie16
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Cultures of a bacterial species were incubated on the shelf of a refrigerator (5 C), out on a lab be...
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