Answer:
A. Unsaturated
Explanation:
Fatty Acids: Saturated fatty acids have hydrocarbon chains connected by single bonds only. Unsaturated fatty acids have one or more double bonds. Each double bond may be in a cis or trans configuration.
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Answer:
The difference in pH caused the genes for flower color to be expressed differently
Explanation:
Twenty cuttings were taken from one plant and planted in four containers of sand. two containers had a ph of 6.0, and two had a ph of 8.0. when the cuttings matured, all of those grown in a ph of 6.0 had pink flowers, and all of those grown in a ph of 8.0 had blue flowers. one explanation for these results is that the sand at one ph contained a dye that changed the flower color. the best alternative explanation for these results is that difference in pH caused the genes for flower color to be expressed differently
Answer: energy can be cycled in two directions
Explanation: The arrows show the direction of matter and energy flow and should be two