The fluid mosaic model proposed by Singer and Nicolson in 1972 explained that

A. the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reversed.
B. the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins.
C. the cell membrane was composed of lipids and proteins.
D. the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer.


Answer: D

Biology & Microbiology

You might also like to view...

Some bryophyte species are ____, meaning that they grow independently on another organism

a. tracheophytes b. epiphytes c. parasites d. charophytes e. rhizoids

Biology & Microbiology

Succession results from all of the following EXCEPT ____

a. facilitation b. growth and maturation rates c. inhibition d. interspecific differences in dispersal e. stasis

Biology & Microbiology

Which of the following molecules is/are produced by translation? Include molecules that are subject to further modification after initial synthesis.

A. The amino acid glycine B. RNA polymerase C. Aminoacyl-tRNA synthetase

Biology & Microbiology

Ligase aids in:

Biology & Microbiology