Sometimes a protein involved in transcription (a transcripti…
Sometimes a protein involved in transcription (a transcription factor) located within the cytoplasm can be an intracellular receptor for a signal. When these proteins are activated they can change how genes are transcribed by
Read DetailsA cell’s plasma membrane contains saturated and unsaturated…
A cell’s plasma membrane contains saturated and unsaturated fatty acids in equal frequency. This membrane has permeability to glucose. If you were to increase the amount of unsaturated fatty acids in the membrane, what effect would this have on the permeability of the membrane to glucose?
Read DetailsExtracellular structures such as the cell walls of plants an…
Extracellular structures such as the cell walls of plants and bacteria as well as the extracellular matrix of animal cells all reside outside of the cell membrane. Which of the following would you expect all of these structures to have in common?
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