Reef-building corals have a symbiotic relationship with algal cells called ________ that live within the cells of corals
Fill in the blank(s) with correct word
zooxanthella
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An example of a neurotransmitter that works by activation of G proteins is:
a. acetylcholine. b. nitrous oxide. c. endorphins. d. GABA. e. serotonin.
Sensory receptors:a
produce internal environmental stimuli. b. convert stimulus energy to electrical energy. c. maintain a constantly hyperpolarized plasma membrane. d. produce a small amount of energy on a continual basis. e. produce action potentials of varying amplitudes in response to stimuli of differing intensities.
A man who is a silent carrier of the FMO3 "fish odor syndrome" has children by a woman who is "normal." Which of the following would best explain how a child born from these parents could have fish odor syndrome?
a) The child inherits two copies of defective FMO3 alleles from its father. b) The mother is also a silent carrier of the defective FMO3 allele. c) FMO3 is x-linked. d) The child has a mutation in one of its cells, making the FMO3 genes defective in those cells. e) The child inherits two copies of defective FMO3 alleles from its mother.
Homo rudolfensis was discovered by
A. Raymond Dart. B. Richard Leakey. C. Charles Darwin. D. Donald Johanson.