Question

Which statement below regarding membrane structure and membrane transport is true? a. Increasing the proportion of unsaturated fatty acids of membrane phospholipids would be most likely to occur as environmental temperatures become warmer. B. Cyclization of membrane phospholipid fatty acids (like cyclopropane) would confer more rigid, straighter hydrocarbon chains. C. Membrane lipids of hyperthermophilic archaebacteria are of the ester-linked fatty acid type also found in non-archae bacteria and eukaryote membranes, respectively. D. Cell wall-containing bacteria and archaea tend to possess a slightly hypotonic interior to create a positive turgor pressure thereby helping it to maintain cell shape and form. E. Abc transporters and group translocation use a transport mechanism that moves molecules via facilitated diffusion.

Answer 1

The statement regarding membrane structure and membrane transport which is true is: B. Cyclization of membrane phospholipid fatty acids (like cyclopropane) would confer more rigid, straighter hydrocarbon chains.

What is a membrane structure?

A membrane structure can be defined as a thin bilayer (double sheet) of an internal cell compartment which forms the outer boundary in living cells that are found in the body of a living organisms.

What is membrane transport?

A membrane transport can be defined as collection of mechanisms that are saddled with the responsibility of regulating the movement of solutes such as ions and tiny particles across or through biological membranes and lipid bilayers containing proteins embedded in them.

Based on scientific studies, the similarity between membrane structure and membrane transport is that cyclization of membrane phospholipid fatty acids such as cyclopropane would confer more rigid, straighter hydrocarbon chains.

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