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Questions: What, if anything, is wrong with the following statement: "When NaCl is dissolved in water, the water molecules closest to the ions will tend to orient themselves so that their oxygen atoms point toward the sodium ions and away from the chloride ions."
The drug thalidomide was once prescribed as a sedative to help with nausea during the early stages of pregnancy. One of its optical isomers, (R)-thalidomide, is the active agent responsible for its sedative effects. It was synthesized, however, as a mixture of both optical isomers - a not uncommon practice that usually causes no problems. Unfortunately, the other optical isomer is a teratogen that led to a horrific series of birth defects characterized by malformed or absent limbs.
On the structural formula in panel A, identify the carbon that is responsible for its optical activity (its chiral center) and sketch the structure of the teratogenic form of thalidomide.
Theoretically, plants could increase or decrease the size of individual stomata and still achieve the same result as varying the number of stomata. But they dont do this- plants only vary stomata number, not size. Why?
How various kilograms of diatoms are needed to build 1 metric ton (1000kg) of blue whale. Give details how filter feeding by blue whales enables them to grow so large.
For a different experiment you are increasing Saccharomyces cerivisiae instead of E.coli. The measured OD is 0.89.
analyze and outline the three most likely reasons for growing food insecurity in the united states. do you think food
Estimate which type of protein binds to improperly folded or improperly assembled proteins in the ER, holding them there until proper folding occurs?
If an X-linked recessive trait is present in 4% of the males in a mammal population with random mating, what is the frequency of the trait in females? What is the frequency of carrier females? Hint: A cross-multiplication square is useful for this..
a cross in corn is carried out with three linked genes in a triply heterozygous genotype for the alleles pairs a a d d
Dinitrophenol is a metabolic poison that prevents the production ofATP. What will happen when a resting axon is treated with such apoison?
Describe oxidative and non-oxidative branches of the pentose phosphate pathway and distinguish between these branches in terms of their roles in producing NADPH for biosynthesis reactions or 5-carbon sugar for mucleic acid synthesis.
The drug vincristine is used to treat many cancers. It apparently works by causing microtubules todepolymerize (breaks apart microtubules). Vincristine use hasmany side effects, including loss of dividing cells and nerveproblem due to transport of..
Is there a difference in approach to valuation by US GAAP and IFRS? Discuss and note two or three specific differences. In addition, clearly
q1. the functional lac repressor is a homoteramer. still the x-ray structure of lac repressor bound to the lac operator
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