Answer the following statements true (T) or false (F)

1. The same neurotransmitter may produce either excitatory or inhibitory effects on postsynaptic neurons depending on the specific receptor type it binds.
2. Gamma aminobutyric acid (GABA) is the most common inhibitory neurotransmitter in vertebrates.
3. Ionotropic receptors act by activating G proteins in target cells.
4. Metabotropic receptors act by initiating changes in second messenger systems in target cells.


1. TRUE
2. TRUE
3. FALSE
4. TRUE

Biology & Microbiology

You might also like to view...

The primary transcript is transported directly to the cytoplasm and prepared for translation

A. true B. false

Biology & Microbiology

You find a protist that has a single flagellum surrounded by a collar of microvilli. You correctly

conclude that this organism is

a. a cellular slime mold. b. a plasmodial slime mold. c. a choanoflagellate. d. not an opisthokont. e. not motile.

Biology & Microbiology

The idea that alleles of a particular gene separate independently into individual gametes during meiosis is Mendel's principle of ________.

a. unit inheritance b. segregation c. independent assortment d. dominance

Biology & Microbiology

Anaphylactic shock may occur due to

What will be an ideal response?

Biology & Microbiology