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brittany coleman

brittany c.

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Suppose you were culturing a population of bacteria at $15^{\circ} \mathrm{C}$ and then raised the temperature of the culture to $37^{\circ} \mathrm{C}$. What effect do you think this might have on the fatty acid composition of the membrane? on the transition temperature of the lipid bilayer? on the activity of membrane desaturases?

Suppose you were culturing a population of bacteria at $15^{\circ} \mathrm{C}$ and then raised the temperature of the culture to $37^{\circ} \mathrm{C}$. What effect do you think this might have on the fatty acid composition of the membrane? on the transition temperature of the lipid bilayer? on the activity of membrane desaturases?

Cell and Molecular Biology: Concepts and Experiments

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Rebecca Clements verified

Numerade educator

In the aquatic world, osmoregulation is very important. Please describe what would happen at the cellular level as well as organismal level to a freshwater fish that is placed in salt water.

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Syed Hasan verified

Numerade educator

Please explain in detail, the structural reasons enzymes have optimal temperatures, pH and salinity.

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Rebecca Clements verified

Numerade educator

Please discuss why a mutation that results in a single amino acid substitution in the active site of an enzyme is more likely to decrease the activity of the enzyme or render it nonfunctional as opposed to increasing enzymatic activity.

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Lainey Roebuck verified

Numerade educator

Describe the likely tertiary structure for a transmembrane protein that is a chloride ion uniporter. For full credit, you need to describe the tertiary structure, and discuss the underlying primary structure pattern that must occur for the protein to exist in the membrane and be able to perform the requested function. You must explain why your tertiary structure of choice will perform the required task by using information found in Chapters 2, 3 and 5.

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Describe in detail the 4 types of macromolecules. Please discuss their subunits, and bond types, as well as the types of chemical reactions required to build the macromolecules. Also, please discuss the function of each of these macromolecules in the body and discuss the special properties of the macromolecule that allow it to perform those functions.

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