Which statement is true of all organic compounds? a) all contain nitrogen. b) all are classified as carbohydrates. eliminate c) all contain carbon. d) all contain only oxygen.
Organic compounds are those compounds that contain carbon. In those compounds, one or more carbon atoms are bound to hydrogen, oxygen, or nitrogen. Hence, the correct choice is that they all contain carbon.
Answer from: Quest
An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.
Answer from: Quest
the answer is d.) homologous; have mammary glands
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