Which statement below is an accurate description of receptor-mediated dimerization?
a) Ligands act as allosteric inhibitors that turn off the ability of their receptors to form dimers.
b) Ligands act as bridging factors that allow the receptors to dimerize.
c) Ligands act as allosteric regulators that turn off the ability of their receptors to form dimers.
d) Ligands act as allosteric regulators that turn on the ability of their receptors to form dimers.
e) Ligands act as allosteric inhibitors that turn on the ability of their receptors to form dimers
Ans: d) Ligands act as allosteric regulators that turn on the ability of their receptors to form dimers.
You might also like to view...
The major opposition to the Extraterrestrial Hypothesis is ...
A. not enough organic carbon molecules could have been transported to the Earth's surface by comets and asteroids. B. most organic carbon molecules, including nucleic acids and amino acids, would have been destroyed by the intense heating that occurs when large bodies fall through the Earth's atmosphere. C. not enough comets and asteroids hit the Earth to deliver organic carbon molecules to the surface. D. most of the organic carbon molecules would have fallen into the seas, helping life form in the water but not on the land. E. without oxygen in the atmosphere the organic carbons that did fall would have been rapidly reduced to inorganic carbon compounds.
Heterospory refers to having ____
a. both male and female gametes b. two types of spores in two different types of sporangia c. both male and female parts on the same plant d. separate male and female plants e. both sporophyte and gametophyte generations
Which term specifies a relationship between two organisms that provides benefits to both?
a. symbiotic b. mutualistic c. pathogenic d. systematic
Human chorionic gonadotrophin (hCG) is produced during pregnancy by the ovaries. Indicate whether the statement is true or false