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Calculate the energy levels of the Π-network in decapentaene, C10H12, using the particle in the box model. To calculate the box length, assume that the molecule is linear and use the values 135and 154 pm for C=C and C-C bonds. What is the wavelength of light required to induce a transition from the ground state to the first excited state?
Fats in the diet have satiety value they stay in stomach longer so we feel fuller longer. Fats provide protective coatings on the body surfaces to help prevent dehydration. Lipids - 2 what are the main categories of lipids found in humans.
Each wavelength corresponds to a different (spectral) color; thus, there are an infinite number of colors between 400 nm and 700 nm, our visual range. Furthermore, most objects have colors which are mixtures of different spectral colors - for exam..
A student, feeling it is immoral to eat plants or animals, decides to eat only artificial food. He places himself on a diet consisting of only D-Amino Acids and L-sugars.
How can having high levels of serum sodium ions (high salt diets) contribute to the disease of hypertension (high blood pressure). Describe how these high levels of sodium ions can increase blood volume resulting in a rise in blood pressure.
In a Bio Lab, several substances were added to a red bloodcell sample and you measure the time it took for the substanceto pass through the red blood cell membrane (hemolysis). Substances were: Glycerol, ethylene glycol, thiourea, urea,dextrose, s..
Kangaroo rats living in the western American deserts have very efficient kidneys; they excrete an exceedingly small volume of highly-concentrated urine in order not to lose much water from their bodies.
A cross is made between 2 E. coli strains: Hfr arg+ bio+ leu+ (x) F- arg- bio- leu-. Interuppted mating studies show that arg+ enteres the recipient last, so arg+ recombinants are selected on a medium containing bio and leu only.
Carbon cycles through the ecosystem between the atmosphere, organisms (such as producers, herbivores, and carnivores), and decomposers.
q1. if the sequence of species a differs from that of the other four species because of simple misalignment then what
Discuss in detail three different means by which a single gene can generate multiple proteins. Remember that some mechanisms may be employed by viruses rather than prokaryotic or eukaryotic cells.
Name two reasons why a gene tree might disagree with a species tree of the same taxa, even though both are evolutionarily correct.
what important molecules does the nucleus contain? What is a cell and who discoverd it giveme the anatomy parts and functions.
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