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Assume if you analyzed the average size of individuals in many dog and wolf populations around the world, how would you use this to determine where and when dogs were domesticated from wolves?
A) You would use the UPGMA or similar technique with the size differences between dogs in the different populations.B) You would rank the dog populations from smallest to largest to give relatedness.C) You could not determine the relationships among dog populations using size because size changes quickly based on the environment around each population.D) You could not determine the relationships among dog populations using size because you can only determine population relationships using DNA sequences.
A certain instant camera determines the distance to subject by sending out a sound wave and measuring the time required for the wave echo to return to the camera. How long could it take the sound wave to return to the camera if the subject were 2.68 ..
The term "hominid" has traditionally been used to refer to species in the line the leads to modern humans after the divergence between that line and the line that leads to modern chimpanzees.
A cell with a 5 percent concentration of salt in it is placed in a solution with a 15 percent concentration of salt. Imagine that the cell is permeable to water but not to salt.
The research team used the setup to study the incorporation of labelled nucleotides into culture lymphocytes and found that the lymphocytes incorporated the labelled nucleotide at significantly higher level after a pathogen was introduced into the cu..
The Kingdom Fungi contains members with saprobic, parasitic and mutualistic modes of nutritiom. How do these types of nutrition relate to the ecological and economiv importace of this group.
The fact that some pure solutions of hydrocarbons do not readily evaporate at room temperature is a result of- Select one:
Create the action potential of a skeletal muscle cell and the action potential of a ventricular myocyte. Be sure to label the phases and the ions that are mediating the change in electrical potential.
While working in a cell biology laboratory, you are instructed to create a solution that is iso-osmostice to the cells that the lab uses.
Assume you are attempting to determine if the new DNA sample you have just received contains linear or circular molecules. Digestion using either RsaI or SauI alone produces two fragments.
What would happen to heart rate and peripheral resistance? Would it be probable to build a working circuit without the inhibitory interneuron? If so, how would you do it? If not, why can't you do it.
Fruit flies have 4-main chromosomes. Fruit flies also have number of body markers that are useful for mapping genes to given chromosomes.
Why is the gene coding for ribosomal RNA (rRNA) used for establish phylogenetic relationships and how does this compare to previous methods for placing organisms in appropriate taxa.
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