Neurotransmitters that bind to G-protein coupled receptors act more rapidly than those binding to ionotropic receptors
Indicate whether the statement is true or false.
ANSWER: False - less
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You are working on a research project that involves a mutational analysis of the light harvesting complex Lhca1, which is an important light harvesting complex found in plants. Your labmate asks where this complex is located. You say it is in the
A. inner chloroplast membrane B. matrix C. thylakoid membrane D. stroma E. outer chloroplast membrane
Sickle-cell disease is caused by a single mutation in the DNA of a particular gene. A person with this disease has red blood cells that lose their original donut shape and form a sickle shape. People with this disorder suffer from low energy levels, blood clots, and strokes. This is an example of
a. a multifactorial trait. b. polygenic inheritance. c. pleiotropy. d. codominance
Archeal membrane lipids are unique because
A) They contain branched hydrocarbons derived from isoprene units B) They are attached to glycerol by ether links C) They are often composed of C20 diethers and C40 tetraethers D) All of the above
Which statement regarding the brain is true?
A) Ventricles in the brain are filled with interstitial fluid. B) The blood-brain barrier helps to maintain a stable chemical environment for the brain. C) Layers of connective tissue, called epithelium, surround and protect the brain and spinal cord. D) White matter is composed of mainly dendrites.