Cell Structure and Function
What type of molecule typically requires a transport protein to facilitate its movement across the cell membrane?
Which factor does NOT directly influence membrane permeability?
When analyzing molecular data, what kind of mutation would not alter the amino acid sequence produced during protein synthesis?
Which factor does not affect the rate of diffusion across a cellular membrane?
What would most likely happen to a cell placed in a hypertonic solution due to its membrane permeability?
What is the main function of cholesterol in animal cell membranes?
Why would a nonpolar molecule typically diffuse through a cell membrane faster than an ionic substance?
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Which phenomenon explains the increased frequency of a gene that encodes for a membrane protein increasing algae's resistance to a toxin in a polluted environment?
What is the main component making up cell walls in plant cells?
Which of the following would not easily pass directly through the cell membrane?