An E Coli Culture That Has Been Growing at 37°C Is

question 52

Multiple Choice

An E. coli culture that has been growing at 37°C is moved to 25°C. Which of the following changes must be made in its plasma membrane?

• A) The number of saturated chains must increase.
• B) The number of phosphate groups must increase.
• C) The viscosity must increase.
• D) The number of unsaturated chains must increase.
• E) No changes are necessary.

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Definitions:

Spiro [4.4]Nonane

A type of spiro compound composed of two cyclobutane rings sharing a single carbon atom, named for its nine total carbon atoms within the structure.

Newman Projection

A way to visualize the conformation of a chemical compound by looking down the bond between two carbon atoms, showing how substituents are spatially arranged.

C3-C4

Refers to the connection or transformation between the third and fourth carbon atoms in a molecular structure.

Conformations

The spatial arrangement of atoms in a molecule that can be changed by rotations around single bonds without breaking any bonds.