In order for a target cell to receive a signal, it must possess a ____ specific to the signaling molecule
a. glycolipid
b. glycoprotein
c. receptor
d. transfer protein
e. hormone
ANSWER: c
You might also like to view...
A researcher found a beautiful plant while traveling in Alaska and collected its seeds. When she came back to Florida, she soaked some seeds in pure water and some in water with a hormone
When she put the seeds in soil to grow, only the seeds that had been soaked with the hormone germinated. The hormone most likely was _____. A) gibberellin B) abscisic acid (ABA) C) auxin D) ethylene
A bulbourethral gland secretes
A) sperm. B) a mucus-like fluid. C) blood. D) saliva.
You are a NASA scientist and have discovered an organism in outer space that contains its genetic material in the cytoplasm rather than in a nucleus. Given this characteristic, how might you classify this organism?
A. Eukaryote B. Prokaryote C. Heterotroph D. Autotroph
The calyx is composed of
a. petals. b. sepals. c. stigmas. d. ovules. e. anthers.