Which statement about receptors is false?
a. They are highly selective.
b. They are also called ligands.
c. They are proteins or glycoproteins.
d. They are found inside the cell and on the cell surface.
e. They are activated by binding to a signaling molecule.
b
You might also like to view...
Has this cell undergone meiosis?
a. yes, because there are no duplicated chromosomes b. no, because homologous chromosomes are present c. yes, because homologous chromosomes are not present d. no, because the diploid number is 2
What is the pH of a neutral solution?
A) 1 B) 5 C) 7 D) 9
All of the following play a role in the development of cancer EXCEPT
A) mutations. B) a large supply of Cdks stimulating cell division. C) uncontrolled cell division. D) inhibition of Cdk and blocking of DNA replication.
MOST new organic compounds are the result of CO2 fixation by
a. phototrophs. b. prototrophs. c. chemolithotrophs. d. chemoorganotrophs.