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Question: Explain how the cell anatomy of the non-ciliated simple columnar epithelial lining of the small intestines cpmtributes to the overall function of the small intestines.
Question: I get conflicting results comparing how the examples are done with what I'm getting in the problem... Here goes..
Complementation tests of the recessive mutatn genes a through f produced the data in the accompanying matrix. The circles represent missing data. Assuming that all of the missing mutant combinations would yield data consistent with the entries that are known, complete the table by filling each circle with a + or - as needed.
(I changed the circles for unknowns to question marks (?))
a b c d e f
a - + - ? + ?
b - ? ? ? -
c - - ? ?
d - ? ?
e - +
f -
Describe why you can predict that meiosis gives rise to genetic differences between parent's cells and daughter cells in fewer cell divisions than mitosis does.
Point out similarities and differences in their scientific foundation. What is the mainly abundant cell type? Which is the slightest prevalent.
Suppose that you require to dilute a 3mM solution to a concentration of 1 x 10-6 M. Pipettors that dispense volumes ranging from 10~100.
The -10 and -35 sequences in bacterial promoters are separated by about two turns of the DNA double helix (remember genetics?). How do you think transcription would be affected if the deletion were introduced such that the -35 sequence was moved to -..
You cross an M1M2 father with an M2M3 mother and ?nd out that the mean number of nosehairs in dissimilar marker genotypes in their offspring are as follows.
A mammal uses only 1 to 2 percent of its energy in ventilation while a fish must spend about 15 percent of its energy to move water over its gills. Describe this huge difference in their efforts to collect oxygen.
Design a biotechnological approach to getting better the amino acid content of wheat. How are you going to communicate your decision to the surgeons, medical center employees, governing board, and to public.
We are isolating DNA from a Marcian. THeir DNA turns out to be very very tiny, so we will use a very dense agarose gel to analyze the DNA. So, instead of the one percent agarose gels that we normally would use in lab,
Most biologists believe that immunes system's defense against infections largely rests on its ability to distinguish self molecules from non-self molecules.
Should society subject pregnant women to dietary restrictions during pregnancy to protect the fetus from the effect of defective genes they carry.
Earlier in 2010, the Pacific island nation of Samoa decided to switch from driving on the right to driving on the left. Why may these cause difficulties? Why is it complicated for a cell to change codon usage, say, switching a "stop" codon to a trypt..
What everyday tasks do you think would become more challenging if Homo sapiens were full- time quadrupeds in the place of full-time bipeds? Explain the answers in details.
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