When a signaling molecule binds to a G protein linked receptor, the ligand-receptor complex associates with GDP
protein and causes GDP to be replaced by GTP.
__________________ Indicate whether the statement is true or false.
False - G
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You are swimming in a pool and feel the waves of water moving against your body. Which receptor is used to detect the pressure associated with the waves against your body?
A. photoreceptor B. thermoreceptor C. mechanoreceptor D. pain receptor E. chemoreceptor
Aminoacyl-tRNA synthetases catalyze covalent addition of ________ ________ to tRNAs.
Fill in the blank(s) with the appropriate word(s).
Select the description of a population pyramid for a population that has the largest potential for exponential growth.
A. broad at the base, narrow at the top, with more males than females B. broad at the base, narrow at the top, with more females than males C. broad at the top, narrow at the base, with more females than males D. uniform at all age classes, with more females than males E. broad at the top, narrow at the base, with more males than females
The cell walls of eukaryotes are usually composed of
A. peptidoglycan B. polysaccharides C. teichoic acid D. mycolic acid E. minerals