Consider the metabolic repertoire of prokaryotes and the diverse environments in which they can thrive to answer the following questions
Autotrophs produce carbohydrates by reducing CO2 whereas heterotrophs synthesize
carbohydrates by reducing preformed organic compounds like glucose.
A. true
B. false
A
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___ allow pythons to detect their prey
a. Mechanoreceptors b. Chemoreceptors c. Thermoreceptors d. Photoreceptors e. Proprioreceptors
Who first proposed the concept that simple organic molecules could form spontaneously from simpler raw materials?
a. Miller and Urey b. Charles Darwin c. Thomas Malthus d. Watson and Crick e. Oparin and Haldane
A channel that opens in response to changes in ionic charge across a membrane is called a(n)_____
a) voltage-gated channel b) ligand-gated channel c) charge-gated channel d) electric-gated channel e) positive-gated channel
Eukaryotic cells acquired mitochondria and chloroplasts by
A. exocytosis. B. endosymbiosis. C. mutation. D. pinocytosis. E. natural selection.