Bacterial growth is usually graphed using ________ axis scales.
a) arithmetic
b) exponential
c) logarithmic (semi-logarithmic)
d) inverse
Ans: c) logarithmic (semi-logarithmic)
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Motor proteins require energy in the form of ATP. ATP hydrolysis results in a conformational change that allows the protein to move along microtubular tracks (pathways). What structural component of the motor protein contains the ATP binding site
and, therefore, changes shape to enable movement? A) the portion of the molecule that binds to the vesicle being transported B) the stalk C) the portion of the molecule that binds to the microtubular track along which the vesicle is being transported D) a location midway between the vesicle binding site and the portion of the molecule that binds to microtubular tracks
If you isolate a single nucleotide from a nucleic acid chain and determine that the nitrogenous ring structure is cytosine, you could say with certainty that the nucleotide could have come from:
A. DNA but not RNA. B. RNA but not DNA. C. either DNA or RNA. D. neither DNA nor RNA. E. double-stranded DNA but not single- stranded DNA.
A conservation manager is planning to reintroduce collared lizards into an isolated glade in Missouri,
where she assumes they have gone locally extinct. Several other isolated glades in the region have populations of collared lizards from which she can draw. Based on your understandings of phylogenetics, provide arguments for why she should draw individuals from a single extant glade population versus from multiple extant glade populations to repopulate the empty glade. What tools might she use to make this decision?
What will be an ideal response?Name the three main classes of cell-surface receptor
What will be an ideal response?