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Under certain conditions the side chains ( R- groups) of asparitic acid and lysine can form an ionic bond with one another the pKa for ionizing groups on these side chains is 3.86 for aparitic acid and 10.53 for lysine A) draw the dominante structure of each of these amino acid side chainsat pH 3. indicate whether an ionic bond can form between these amino acid side chains at pH 3 B) draw the dominant structure of each of these amino acid side chains at pH8.
Describe why 0.9 percent NaCl is an isotoinc solution. In another word, please explian the calculation that shows its osmolality is 300mOsm.
A sunflower population in Hardy-Weinberg equilibrium has the given allele frequencies for petal color: 0.75 dominant, 0.25 recessive.
What does bacteria cells have that plant and animal cells don't? What does animal cells have that bacteria and plant cells don't? What do plant cells have that animal and bacteria cells don't? What do all three have in common?
Briefly summarize the Blending Model of inheritance in a sentence or two. List one weakness of this model of inheritance.
List the three different structures for locomotion found among protozoans, and name an organism taht utilizes each structure.
Suppose that you perform fruit fly crosses with different pairs of 3-X-linked traits specified by genes x, y, and z. You observe the following frequencies of recombinant
A porcupine eats 3,000 J of plant material. 1,600 J is indigestible and is eliminated as feces. 1,300 J are used in cellular respiration. What is the estimated production efficiency of this animal.
Conditional lethal mutations are very useful in genetic and biochemical analyses of complex processes such as DNA replication. Temperature sensitive mutations, which are one form of conditional lethal mutation.
Describe precisely what is microbial death? Why does a population of microbes not die instaneously when exposed to an antimicrobial agent
Mitchell's original chemiosmotic hypothesis relies on the impermeability of the inner mitochandrial membrane to ions other than H+, sch as Na+ and Cl-
What disorder does this man have? Gastric secretions normally include about 10mmole/L potassium. How do you account for the low serum potassium in this patient.
The key difference between the larger or "regular" moons and the smaller or "irregular" moons of the Jovian planets is that.
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